Pfizer/BioNTech COVID-19 vaccine effectiveness drops after 6 months: Study
3 years, 2 months ago

Pfizer/BioNTech COVID-19 vaccine effectiveness drops after 6 months: Study

Live Mint  

The effectiveness of the Pfizer Inc/BioNTech SE vaccine in preventing infection by the coronavirus dropped to 47% from 88% six months after the second dose, according to data published on Monday that U.S. health agencies considered when deciding on the need for booster shots. The analysis showed that the vaccine's effectiveness in preventing hospitalization and death remained high at 90% for at least six months, even against the highly contagious Delta variant of the coronavirus. Researchers from Pfizer and Kaiser Permanente studied electronic health records of roughly 3.4 million people who were members of Kaiser Permanente Southern California between December 2020 - when the vaccine first became available - and August of 2021. "Our variant-specific analysis clearly shows that the vaccine is effective against all current variants of concern, including Delta," said Luis Jodar, senior vice president and chief medical officer at Pfizer vaccines. "To us, that suggests Delta is not an escape variant that is completely evading vaccine protection," said study leader Sara Tartof with Kaiser Permanente Southern California's Department of Research & Evaluation.

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History of this topic

The new COVID vaccine is out — but you might not want to rush to get it
3 months, 3 weeks ago

The new COVID vaccine is out — but you might not want to rush to get it

Raw Story  

The FDA has approved an updated covid shot for everyone 6 months old and up, which renews a now-annual quandary for Americans: Get the shot now, with the latest covid outbreak sweeping the country, or hold it in reserve for the winter wave? “Covid is still very transmissible, very new, and people congregate inside in air-conditioned rooms during the summer,” …

COVID-19 variant KP.3.1.1 predominant in US as infections continue ticking up
4 months ago

COVID-19 variant KP.3.1.1 predominant in US as infections continue ticking up

China Daily  

LOS ANGELES - The KP.3.1.1 COVID-19 variant, now the predominant SARS-CoV-2 variant circulating in the United States, has been causing increasing infections in the country, the latest data from the US Centers for Disease Control and Prevention showed. For the two-week period ending Aug 17, KP.3.1.1 is predicted to account for between 31 percent and 43 percent of COVID-19 clinical …

‘Still not over’: WHO cautions of COVID-19 threat ahead of summer holidays after US President Joe Biden tests positive
5 months ago

‘Still not over’: WHO cautions of COVID-19 threat ahead of summer holidays after US President Joe Biden tests positive

Live Mint  

New Delhi: With US President Joe Biden testing positive for COVID-19 before the Presidential elections, the World Health Organisation has warned the public that Covid is still not over. WHO director-general Tedros Adhanom Ghebreyesus issued a warning, stating that vaccination rates among health professionals and the over-60s—two demographics most at risk of dying from COVID—are alarmingly falling. Globally, 9.8 million …

‘Playing COVID roulette’: Some infected by FLiRT variants report their most unpleasant symptoms yet
5 months, 2 weeks ago

‘Playing COVID roulette’: Some infected by FLiRT variants report their most unpleasant symptoms yet

LA Times  

A large number of travelers make their way through Tom Bradley International Terminal at LAX during the busy July 4 holiday. Each time you get COVID, he said, is “kind of like playing COVID roulette.” This underscores the need for caution during summer travel and activities, even though the overall risk remains relatively mild. and I can’t stand up for …

As COVID-19 ticks up in some places, US health officials recommend a fall vaccination campaign
5 months, 3 weeks ago

As COVID-19 ticks up in some places, US health officials recommend a fall vaccination campaign

Associated Press  

NEW YORK — With fresh COVID-19 cases bubbling up in some parts of the country, health officials are setting course for a fall vaccination campaign. What’s more, health officials have reported upticks this month in COVID-19-associated emergency room visits and hospitalizations, and a pronounced increase in positive test results in the southwestern U.S. It’s not clear whether that’s a sign …

FDA advisers urge targeting JN.1 strain in recipe for fall’s COVID vaccines
6 months, 2 weeks ago

FDA advisers urge targeting JN.1 strain in recipe for fall’s COVID vaccines

Associated Press  

WASHINGTON — Government advisers Wednesday said it’s time to update the recipe for the COVID-19 vaccines Americans will receive in the fall -- targeting a version of the ever-evolving coronavirus called JN.1. But just a few months later, numerous offshoots of JN.1 already are on the rise, prompting Moderna and Pfizer to also test a slightly different vaccine formula targeting …

There’s a new highly transmissible COVID-19 variant. Could FLiRT lead to a summer uptick?
7 months, 2 weeks ago

There’s a new highly transmissible COVID-19 variant. Could FLiRT lead to a summer uptick?

LA Times  

Passengers with and without face masks travel through at Los Angeles International Airport in January. Two new COVID-19 subvariants, collectively nicknamed FLiRT, are increasingly edging out the winter’s dominant strain ahead of a possible summer uptick in coronavirus infections. “It’s been quite a while since we’ve had a new dominant variant in the U.S.,” said Dr. David Bronstein, an infectious …

A German man who received 217 COVID vaccinations becomes focus of new immunisation research
9 months, 2 weeks ago

A German man who received 217 COVID vaccinations becomes focus of new immunisation research

ABC  

In short: German researchers have studied the immune response of a 62-year-old man who they say had received more than 200 COVID shots for "private reasons" within the space of 29 months. German researchers have studied the immune response of a 62-year-old man who they say had received more than 200 COVID shots for "private reasons" within the space of …

'Defences tend to fade over time': US health agency recommends older to get another COVID shot this spring
9 months, 3 weeks ago

'Defences tend to fade over time': US health agency recommends older to get another COVID shot this spring

India TV News  

Washington: Older US adults should roll up their sleeves for another COVID-19 shot, even if they got a booster in the fall, an influential government advisory panel said on Wednesday. The panel voted 11-1 to say Americans 65 and older should get another dose of the updated vaccine that became available in September — if at least four months have …

Does frequently updating COVID-19 vaccines have any benefits? | Explained
10 months, 1 week ago

Does frequently updating COVID-19 vaccines have any benefits? | Explained

The Hindu  

Researchers update the composition of influenza vaccines every six months to match the strains of the virus that are circulating in the wild, so that the shots may provide protective immunity against the flu. The VE of COVID-19 vaccines varies according to the disease’s progression as well as the circulating strains. Thus, researchers worldwide rushed to revise COVID-19 vaccines that …

Newest COVID shots are 54% effective in preventing symptoms, CDC finds
10 months, 3 weeks ago

Newest COVID shots are 54% effective in preventing symptoms, CDC finds

Associated Press  

NEW YORK — The latest versions of COVID-19 vaccines were 54% effective at preventing symptomatic infection in adults, according to the first U.S. study to assess how well the shots work. The 54% finding is similar to what’s been reported in other countries, and it’s also about what was reported for an earlier vaccine version, said the Ruth Link-Gelles of …

New COVID-19 vaccines available in Australia: Millions urged to get a booster as cases rise
1 year ago

New COVID-19 vaccines available in Australia: Millions urged to get a booster as cases rise

Daily Mail  

New COVID-19 vaccines targeting the current Omicron variant of the virus are available in community pharmacies throughout Australia. Pharmacy Guild of Australia National President Trent Twomey says the new vaccine available on Monday is targeted at the strain of the virus which is currently circulating among the population. 'With COVID-19 cases on the rise, it is important anyone who is …

New COVID-19 vaccinations are coming, CDC says. The shots will likely be available this week
1 year, 3 months ago

New COVID-19 vaccinations are coming, CDC says. The shots will likely be available this week

LA Times  

Allan Fernandez, 7, middle, is vaccinated by Dr. David Bolour, left, as CDC Director Dr. Rochelle Walensky looks on in Ted Watkins Memorial Park last year. “Although hospitalization rates are currently low in some age groups, we have seen rates increase in recent weeks, and anticipate further increases as we enter respiratory virus season.” CDC Director Dr. Mandy Cohen on …

Updated COVID vaccines will be available later this week, recommended for everyone six months and up
1 year, 3 months ago

Updated COVID vaccines will be available later this week, recommended for everyone six months and up

Salon  

A new, fourth round of COVID-19 booster shots was approved Tuesday, following the recommendation of federal health agencies, which will make the vaccines available to Americans later this week. The Centers for Disease Control and Prevention followed suit this afternoon, with CDC director Mandy Cohen recommending updated vaccination for "everyone 6 months and older to better protect you and your …

US FDA authorizes Pfizer-BioNTech, Moderna's updated Covid shots
1 year, 3 months ago

US FDA authorizes Pfizer-BioNTech, Moderna's updated Covid shots

India Today  

The U.S. Food and Drug Administration on Monday authorized updated Covid-19 vaccines from Pfizer/BioNTech and Moderna that target a recently circulating Omicron variant of the coronavirus, paving the way for the launch later this week of a fall vaccination campaign. Pfizer and Moderna said their updated vaccines, which target the XBB.1.5 subvariant of the virus, were expected to be available …

U.S. approves updated COVID vaccines to rev up protection this fall
1 year, 3 months ago

U.S. approves updated COVID vaccines to rev up protection this fall

The Hindu  

The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter. It’s part of a shift to treat fall updates of the COVID-19 vaccine much like getting a yearly flu shot. “Vaccination remains critical to public health and continued protection against serious consequences of COVID-19, including …

US approves updated COVID vaccines to rev up protection this fall
1 year, 3 months ago

US approves updated COVID vaccines to rev up protection this fall

Associated Press  

WASHINGTON — The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter. It’s part of a shift to treat fall updates of the COVID-19 vaccine much like getting a yearly flu shot. “Vaccination remains critical to public health and continued protection against serious consequences of …

Should you get the new COVID booster? The CDC is about to decide
1 year, 3 months ago

Should you get the new COVID booster? The CDC is about to decide

LA Times  

A nurse prepares a syringe of a COVID-19 vaccine. The CDC’s vaccine advisors will soon decide whether to recommend the latest COVID-19 boosters only for frail, older, sick and immunocompromised people or to offer it to everyone over 6 months of age. “I don’t plan to get it myself,” said Dr. Paul Offit, the director of the Vaccine Education Center …

FDA approves updated COVID vaccines to rev up protection this fall
1 year, 3 months ago

FDA approves updated COVID vaccines to rev up protection this fall

LA Times  

Single-dose vials of Pfizer’s updated COVID vaccine for adults, which was approved by U.S. regulators on Monday. The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter. “Vaccination remains critical to public health and continued protection against serious consequences of COVID-19, including hospitalization and death,” …

Moderna says updated COVID vaccine is effective against ‘highly-mutated’ BA.2.86 variant
1 year, 3 months ago

Moderna says updated COVID vaccine is effective against ‘highly-mutated’ BA.2.86 variant

Hindustan Times  

Moderna on Wednesday said clinical trial data showed its updated COVID-19 vaccine will likely be effective against the highly-mutated BA.2.86 subvariant of the coronavirus that has raised fears of a resurgence of infections. The Omicron offshoot carries more than 35 mutations in key portions of the virus compared with XBB.1.5, the dominant variant through most of 2023 and the target …

With coronavirus uptick, should I get a COVID shot? When are new vaccines available?
1 year, 4 months ago

With coronavirus uptick, should I get a COVID shot? When are new vaccines available?

LA Times  

The fall vaccination season is just around the corner, and officials are rolling out a new updated version of the COVID-19 vaccine. The fall vaccination season is just around the corner, and officials are set to roll out another updated version of the COVID-19 vaccine, as well as new tools to protect against RSV. Scientists say the 2023 COVID-19 vaccine …

CDC signs off on additional Covid-19 booster doses for certain people
1 year, 8 months ago

CDC signs off on additional Covid-19 booster doses for certain people

CNN  

CNN — The US Centers for Disease Control and Prevention updated its recommendations on the Covid-19 vaccines on Wednesday to allow another dose of the bivalent booster for people who are 65 and older or who have weakened immune systems and who “want the option of added protection” against the coronavirus. The move aligns with Tuesday’s US Food and Drug …

Pfizer Bivalent Vaccine Reduces Covid-related Death Risk by 68 Pc in Older People: Study
1 year, 8 months ago

Pfizer Bivalent Vaccine Reduces Covid-related Death Risk by 68 Pc in Older People: Study

News 18  

Vulnerable people aged 65 years and over receiving the Pfizer bivalent mRNA vaccine booster dose showed 72 per cent lower risk of Covid-related hospitalisation and 68 per cent lower risk of Covid-related death, according to a new study published in the journal The Lancet Infectious Diseases. Israel has prioritised bivalent mRNA booster vaccines for people at high risk of severe …

No need for booster vaccine against coronavirus this spring, experts decide
1 year, 9 months ago

No need for booster vaccine against coronavirus this spring, experts decide

Dutch News  

Coronavirus experts have advised against another round of vaccinations this spring because there is enough immunity in the population from previous vaccines or infections. The advisers will decide later in the year whether there should be another booster round in the autumn, when the peak season for coronavirus infections begins. Doctors should still be able to prescribe a vaccine for …

No need for booster vaccine against coronavirus this spring, experts decide
1 year, 9 months ago

No need for booster vaccine against coronavirus this spring, experts decide

Dutch News  

Coronavirus experts have advised against another round of vaccinations this spring because there is enough immunity in the population from previous vaccines or infections. The advisers will decide later in the year whether there should be another booster round in the autumn, when the peak season for coronavirus infections begins. Doctors should still be able to prescribe a vaccine for …

COVID-19 survivors develop natural immunity against severe illnesses: Lancet
1 year, 10 months ago

COVID-19 survivors develop natural immunity against severe illnesses: Lancet

Live Mint  

Protection against COVID-19 re-infection is very high, found a study by The Lancet. For those who had at least one prior infection with COVID-19, natural immunity against severe illness was potent and enduring for all variations. Previous exposure to pre-Omicron variants significantly weakened natural immune defences against Omicron BA.1 reinfection. Also, the research reveals that the amount and duration of …

No new Covid variants during recent breakout in China: Lancet study
1 year, 10 months ago

No new Covid variants during recent breakout in China: Lancet study

India Today  

New coronavirus variants did not emerge during the recent outbreak of cases in China, said a study published in the medical journal, The Lancet. Samples of 350 locally acquired infections and 63 imported cases were studied during a five-week period beginning in November 2022 - shortly after China abruptly overturned its strict zero-Covid policy. Further, China also administers inactivated whole …

FDA advisers set to consider one-and-done annual covid booster plan
1 year, 10 months ago

FDA advisers set to consider one-and-done annual covid booster plan

Live Mint  

The message has come through loud and clear that Americans have already had enough of frequent Covid shots. The new strategy would require health officials to meet each year to review which strains of the virus should be included in the shots, just as they do with flu, for use in September. “I don’t think that we can chase after …

FDA’s advisors back plan to simplify COVID-19 vaccinations
1 year, 10 months ago

FDA’s advisors back plan to simplify COVID-19 vaccinations

LA Times  

Syringes with COVDI-19 vaccines are prepared at a free public clinic in Lynwood last year. “We’re still protected against severe disease, thank goodness,” even after the latest Omicron strains cropped up, said FDA advisor Dr. Paul Offit, a vaccine expert at Children’s Hospital of Philadelphia. The first step: The FDA advisory panel voted unanimously that people should get the same …

mRNA Covid-19 vaccines can increase serious adverse events? US researcher claims
1 year, 11 months ago

mRNA Covid-19 vaccines can increase serious adverse events? US researcher claims

India TV News  

A US-based researcher has claimed that the messenger RNA Covid-19 vaccine can increase serious adverse events in people, including sudden cardiac deaths. Joseph Fraiman, the lead author of the peer-reviewed research that re-analysed Pfizer & Moderna trials for mRNA Covid-19 vaccine, has tweeted: "I believe the mRNA Covid-19 vaccines need to be withdrawn". In another tweet, he mentioned that the …

COVID-19: no need for scaremongering, precautions needed, say health experts
2 years ago

COVID-19: no need for scaremongering, precautions needed, say health experts

The Hindu  

Even as the Central and State governments have called for a general alert over a possible rise in COVID-19 cases, public health experts have warned against scaremongering over COVID-19. Public health experts point out that as the new virus variants coming into circulation are the sub variants of Omicron, which in itself was less lethal than Delta, there was no …

Fact-check on vaccine-related misinformation
2 years ago

Fact-check on vaccine-related misinformation

China Daily  

Vaccine is a powerful weapon in the fight against COVID-19. As the second COVID booster becomes available for eligible people and the health authorities work to boost senior vaccination rates, misinformation about COVID-19 vaccines is also rising. The COVID-19 vaccines work by imitating an infection and can cause mild side effects, such as a fever or pain at the injection …

Fact-check on vaccine-related misinformation
2 years ago

Fact-check on vaccine-related misinformation

China Daily  

Vaccine is a powerful weapon in the fight against COVID-19. As the second COVID booster becomes available for eligible people and the health authorities work to boost senior vaccination rates, misinformation about COVID-19 vaccines is also rising. The COVID-19 vaccines work by imitating an infection and can cause mild side effects, such as a fever or pain at the injection …

Vaccines four times weaker against BQ.1.1 Covid variant
2 years ago

Vaccines four times weaker against BQ.1.1 Covid variant

Daily Mail  

A rising Covid subvariant soon to become dominant across the US is significantly more resistant to the updated bivalent vaccines, according to a study. Researchers found that the bivalent Covid booster was effective against the BA.5 variant but only had a fourth of the effective antibodies against the growing BQ.1.1 strain. It is expected to soon take over as the …

As COVID-19 spikes in California, booster shots could make all the difference
2 years ago

As COVID-19 spikes in California, booster shots could make all the difference

LA Times  

With coronavirus cases and hospitalizations rising in Los Angeles County, officials are voicing new confidence in the effectiveness of the updated COVID-19 booster shot. New data has found that the updated COVID-19 vaccines offer “significant additional protection” against symptomatic infection in people who were previously vaccinated or boosted with the older formula. “We have seen very low uptake of the …

COVID-19 vaccines offer significant protection against reinfection: Study
2 years, 1 month ago

COVID-19 vaccines offer significant protection against reinfection: Study

India TV News  

COVID-19 vaccine: A recent study revealed that people earlier infected with the SARS-CoV-2 virus still benefit from vaccination against COVID-19, gaining 60% to 94% protection against reinfection. “In our study, we find a significant vaccine effectiveness against SARS-CoV-2 reinfection, and this shows the importance of vaccination also for those who might be protected by natural immunity," said Katrine Finderup Nielsen …

US renews push for COVID boosters as data show they protect
2 years, 1 month ago

US renews push for COVID boosters as data show they protect

Associated Press  

Americans who got the updated COVID-19 booster shots are better protected against symptomatic infection than those who haven’t — at least for now, U.S. health officials said Tuesday. Speaking at a White House briefing expected to be his last before he retires from the government at the end of year, Fauci said what “may be the final message I give …

Repeat COVID is riskier than first infection: Study
2 years, 1 month ago

Repeat COVID is riskier than first infection: Study

Hindustan Times  

The risk of death, hospitalization and serious health issues from COVID-19 jumps significantly with reinfection compared with a first bout with the virus, regardless of vaccination status, a study published on Thursday suggests. Repeat COVID is riskier than first infection: Study "Reinfection with COVID-19 increases the risk of both acute outcomes and long COVID," said Dr. Ziyad Al-Aly of Washington …

New bivalent Covid vaccines DON'T give people better immunity, studies show
2 years, 1 month ago

New bivalent Covid vaccines DON'T give people better immunity, studies show

Daily Mail  

The new bivalent Covid vaccines are no more effective than the original shots, according to two new studies. In both studies, people who had already been triple vaccinated were given either a standard Covid shot or an updated bivalent booster. President Joe Biden got his updated booster yesterday — his fifth shot to date — in the latest White House …

Covid booster shot campaign opens to everyone 12 and up
2 years, 1 month ago

Covid booster shot campaign opens to everyone 12 and up

NL Times  

Everyone aged 12 and older can now make an appointment for a repeat vaccination against the coronavirus, the RIVM and GGD reported. That means that everyone who qualifies for the booster shot can get one at a vaccination location. People aged 12 and older can get the repeat vaccination if it has been at least three months since their previous …

Repeat covid vaccinations opened to all as postive tests mount
2 years, 2 months ago

Repeat covid vaccinations opened to all as postive tests mount

Dutch News  

Everyone over the age of 12 is now being invited to sign up for another coronavirus vaccination, the health ministry has confirmed. With covid infections once again on the rise, health officials say getting the top-up jabs will help slow the spread of the virus. People aged 40 to 60 can make an appointment via website planjeprik.nl next week, while …

Repeat covid vaccinations opened to all as postive tests mount
2 years, 2 months ago

Repeat covid vaccinations opened to all as postive tests mount

Dutch News  

Everyone over the age of 12 is now being invited to sign up for another coronavirus vaccination, the health ministry has confirmed. With covid infections once again on the rise, health officials say getting the top-up jabs will help slow the spread of the virus. People aged 40 to 60 can make an appointment via website planjeprik.nl next week, while …

Pfizer says bivalent booster increases antibodies for Omicron variants
2 years, 2 months ago

Pfizer says bivalent booster increases antibodies for Omicron variants

LA Times  

Pfizer Inc. and its German vaccine partner BioNTech said their new COVID-19 booster designed to target the dominant Omicron subvariant produced more antibodies against the intended strains than did the original version of the shot. Pfizer and BioNTech plan to release additional data on the COVID-19 shots in the coming weeks to measure immune responses one month after administration of …

Covid-19: Pfizer faces backlash for creating pro-vaccine Marvel comic
2 years, 2 months ago

Covid-19: Pfizer faces backlash for creating pro-vaccine Marvel comic

Daily Mail  

Pfizer's Covid vaccine comic was today slammed as 'ethically dubious in the extreme' for trying to appeal to children. It features a grandfather and his family who get a Covid vaccine, the Avengers who represent the Covid vaccines and Ironman who represents the new Covid vaccine, and Ultron who represents Covid's evolution The grandpa is shown waiting at a clinic …

17 million in EU may have suffered long COVID-19: WHO report
2 years, 3 months ago

17 million in EU may have suffered long COVID-19: WHO report

Hindustan Times  

New research suggests at least 17 million people in the European Union may have experienced long COVID-19 symptoms during the first two years of the coronavirus pandemic, with women more likely than men to suffer from the condition, the World Health Organisation said Tuesday. 17 million in EU may have suffered long COVID-19: WHO report The research, conducted for the …

WHO says COVID end is ‘in sight,’ deaths at lowest level since March 2020
2 years, 3 months ago

WHO says COVID end is ‘in sight,’ deaths at lowest level since March 2020

LA Times  

The head of the World Health Organization said Wednesday that the number of COVID-19 deaths worldwide last week was the lowest reported since March 2020, marking what could be a turning point in the years-long pandemic. “Now is the time to run harder and make sure we cross the line and reap all the rewards of our hard work.” In …

Omicron-specific boosters are here: How effective will these vaccines be in the fight against COVID-19?
2 years, 3 months ago

Omicron-specific boosters are here: How effective will these vaccines be in the fight against COVID-19?

Firstpost  

The new booster shots — one by Moderna and another from Pfizer-BioNTech – are specifically tailored to combat the two most recent and contagious Omicron subvariants, BA4 and BA5 On 31 August 2022, the Food and Drug Administration authorised the use of updated COVID-19 booster shots that are specifically tailored to combat the two most recent and contagious Omicron subvariants, …

New vaccines approved, booster campaign to start in September
2 years, 3 months ago

New vaccines approved, booster campaign to start in September

Dutch News  

The new Pfizer and Moderna booster vaccines have been given approval by the European Medicines Agency for over-12s, and another booster campaign is planned for the second half of September. Although the current vaccines protect against serious sickness, they have become less good at protecting against a coronavirus infection due to mutations in the virus, reports NOS. The EMA expects …

New vaccines approved, booster campaign to start in September
2 years, 3 months ago

New vaccines approved, booster campaign to start in September

Dutch News  

The new Pfizer and Moderna booster vaccines have been given approval by the European Medicines Agency for over-12s, and another booster campaign is planned for the second half of September. Although the current vaccines protect against serious sickness, they have become less good at protecting against a coronavirus infection due to mutations in the virus, reports NOS. The EMA expects …

US CDC endorses updated Covid boosters, shots to begin soon
2 years, 3 months ago

US CDC endorses updated Covid boosters, shots to begin soon

India Today  

The US Centers for Disease Control and Prevention on Thursday endorsed updated Covid-19 boosters, opening the way for a fall vaccination campaign that could blunt a winter surge if enough Americans roll up their sleeves. The CDC’s advisers struggled with who should get the new boosters and when because only a similarly tweaked vaccine, not the exact recipe, has been …

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