U.S. tracking of virus variants has improved after slow start
3 years, 4 months ago

U.S. tracking of virus variants has improved after slow start

LA Times  

After a slow start, the United States has improved its surveillance system for tracking new coronavirus variants such as Omicron, boosting its capacity by tens of thousands of samples per week since early this year. “We’re in a much, much better place than a year ago or even six or nine months ago,” said Kenny Beckman of the University of Minnesota, who credited federal dollars distributed to public and private labs. Omicron’s emergence could “stimulate the United States to do this better.” “I think we still have a long way to go,” Moss said. Dr. Anthony Fauci, the nation’s top infectious disease expert, said it is “inevitable” that Omicron will make its way into the United States. University of Wisconsin AIDS researcher David O’Connor noted: “We don’t have the sorts of interstate travel restrictions that would make it possible to contain the virus in any one place.” Instead, genomic surveillance will tell officials if Omicron is spreading unusually fast somewhere and whether more resources should be sent to those places, he said.

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History of this topic

As COVID-19 cases rise, WHO asks countries to strengthen surveillance
1 year, 3 months ago

As COVID-19 cases rise, WHO asks countries to strengthen surveillance

The Hindu  

The World Health Organization has urged countries in Southeast Asia to strengthen surveillance in view of the increasing cases of respiratory diseases, including due to COVID-19 and its new sub-variant JN.1, and influenza. Editorial | Staying alert: On the rapidly increasing spread of the JN.1 variant "For this, countries must strengthen surveillance and sequencing, and ensure sharing of data," said …

WHO tracking new Covid variant BA. X amid fears it could lead to new explosion of cases
1 year, 7 months ago

WHO tracking new Covid variant BA. X amid fears it could lead to new explosion of cases

The Independent  

Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy The World Health Organization is monitoring a new coronavirus variant that …

The CDC is changing the way it monitors COVID-19 in the U.S.
1 year, 10 months ago

The CDC is changing the way it monitors COVID-19 in the U.S.

LA Times  

Dr. Nirav Shah, principal deputy director for the CDC, said the country will be able to maintain “good sight lines” into the state of COVID-19 in America. With the federal government’s three-year-old public health emergency set to expire next Thursday, the agency will begin to track COVID-19 cases alongside other respiratory illnesses, said Dr. Nirav D. Shah, the CDC’s principal …

Ramp up COVID-19 testing and vaccination, identify hotspots, drill hospital infrastructure, Centre tells States
1 year, 11 months ago

Ramp up COVID-19 testing and vaccination, identify hotspots, drill hospital infrastructure, Centre tells States

The Hindu  

At a time when COVID-19 cases in the country are seeing a sustained spike, 23 States and Union Territories have testing rates that are even lower than the current national average of 100 tests per million people, the Health Ministry said during a review meeting on Friday. Tracking variants Union Health Minister Mansukh Mandaviya also advised States to ramp up …

COVID-19: WHO tracking VOI XBB.1.5, six other corona variants under monitoring | DETAILS
1 year, 11 months ago

COVID-19: WHO tracking VOI XBB.1.5, six other corona variants under monitoring | DETAILS

India TV News  

COVID-19: The Centre today told the states and Union territories that currently the World Health Organisation is closely tracking one variant of interest, XBB.1.5 and six other variants are under monitoring BQ.1, BA.2.75, CH.1.1, XBB, XBF and XBB.1.16. During a review meeting on the COVID-19 situation, Union Health Minister Mansukh Mandaviya virtually interacted with the health ministers of the states …

Mutated version of Omicron is behind spike in case, health system on alert: Govt
2 years ago

Mutated version of Omicron is behind spike in case, health system on alert: Govt

Live Mint  

Amid a spike in the number of Covid-19 cases in India, Union Health Minister Dr. Mansukh Mandaviya on Saturday said that currently a mutated variant of the Omicron sub-variant is spreading in the country and the health authorities are on alert. The health minister added that vaccines used by India have been found effective against all Covid-19 variants found till …

4 cases of Covid subvariant BF.7 detected in Bengal; all from US: Health Department
2 years, 2 months ago

4 cases of Covid subvariant BF.7 detected in Bengal; all from US: Health Department

India Today  

Four cases of Omicron subvariant BF.7 were detected in West Bengal, a health official said on Wednesday. Genome sequencing of the four people, who had recently returned from the US, confirmed that they were infected with the new variant of the coronavirus, he said. Since last month, the samples of all people arriving at Kolkata airport from abroad who tested …

Know Why China's Latest Covid Situation Has Sparked Global Panic
2 years, 2 months ago

Know Why China's Latest Covid Situation Has Sparked Global Panic

ABP News  

China has been hit with a massive surge in Covid cases after the Chinese authorities eased the zero-Covid-policy last month. Piecemeal estimates As the government stopped tracking Covid numbers Last month, a few local and regional authorities started estimating daily infection totals as the scale of the outbreak remained unclear. Going by the leaked notes of a meeting between health …

Lack of info on China’s explosive COVID-19 outbreak stirs global concern
2 years, 3 months ago

Lack of info on China’s explosive COVID-19 outbreak stirs global concern

LA Times  

The U.S., Japan and other countries are concerned that the Chinese government may not inform the rest of the world quickly enough about new variants. Moves by several countries to mandate COVID-19 tests for passengers arriving from China reflect global concern that new variants could emerge in its ongoing explosive outbreak — and that the government may not inform the …

Haryana health department asks Civil Surgeons for compliance of Covid-related measures
2 years, 3 months ago

Haryana health department asks Civil Surgeons for compliance of Covid-related measures

The Hindu  

Amid a rising number of COVID-19 cases in some countries, including China, Haryana's Health Department has issued guidelines directing all Civil Surgeons in the state to ensure compliance of various measures across all health facilities. All healthcare workers should wear face masks and practise hand hygiene while delivering patient care, according to the letter from Director General Health Services, Haryana, …

'Covid Not Over Yet': Promote Boosters, Check Medicine Stock, Health Minister Tells Officials as China Uptick Puts India on Alert
2 years, 3 months ago

'Covid Not Over Yet': Promote Boosters, Check Medicine Stock, Health Minister Tells Officials as China Uptick Puts India on Alert

News 18  

Bring back booster doses, social distancing norms and masks and check the stock of key Covid-19 medicines in India — This is the latest directive from Union health minister Mansukh Mandaviya to top officials as the sudden spurt of cases in Japan, US, Korea, and Brazil and the horror stories of deaths leaking out of China have forced the Centre …

Centre\'s COVID review meeting today amid spurt in cases in US, China
2 years, 3 months ago

Centre\'s COVID review meeting today amid spurt in cases in US, China

Deccan Chronicle  

New Delhi: Union Health Minister Mansukh Mandaviya will review the COVID-19 situation on Wednesday in view of a fresh spurt in cases in some countries such as Japan, South Korea, Brazil, China and the US, official sources said. Meanwhile, the Union health ministry on Tuesday urged all states and union territories to ramp up the whole genome sequencing of positive …

Health Minister Mandaviya to review COVID situation on Dec. 21 amid spurt in cases in U.S., China
2 years, 3 months ago

Health Minister Mandaviya to review COVID situation on Dec. 21 amid spurt in cases in U.S., China

The Hindu  

Amid a fresh spurt in COVID-19 cases in Japan, South Korea, Brazil, China and the U.S., Union Health Minister Mansukh Mandaviya will review the pandemic situation on December 21, 2022, official sources said. Earlier on Tuesday, the Health Ministry urged all states and Union territories to ramp up the whole genome sequencing of positive samples to keep track of newer …

Centre's genome sequencing notice to states, UTs amid China's Covid spurt
2 years, 3 months ago

Centre's genome sequencing notice to states, UTs amid China's Covid spurt

Hindustan Times  

Amid a sudden spurt in Covid-19 cases in Japan, South Korea, Brazil, China and the US, the central government on Tuesday urged all states and Union territories to gear up the whole genome sequencing of positive samples to keep track of emerging variants. Public health challenge of Covid-19 still persists around the world with around 35 lakh cases reported weekly. …

Health Ministry asks States to hike genome sequencing for the SARS-CoV-2 coronavirus
2 years, 3 months ago

Health Ministry asks States to hike genome sequencing for the SARS-CoV-2 coronavirus

The Hindu  

With a spurt in coronavirus cases reported in China, the United States and South Korea, India’s Health Ministry has asked States to bolster genome sequencing of coronavirus samples. “In view of the spurt in positive cases, it is essential to gear up the whole-genome sequencing of positive case samples to track variants through Indian Sars Cov2 Genomics Consortium network. India …

Centre writes to states over rise in Covid-19 cases abroad
2 years, 3 months ago

Centre writes to states over rise in Covid-19 cases abroad

Deccan Chronicle  

HYDERABAD: Health Secretary Rajesh Bhushan has written to all states and Union territories to gear up genome sequencing of positive Covid-19 cases to track variants in light of spurts of cases being seen in Japan, USA, Republic of Korea, Brazil and China. The letter states that genome sequencing will enable timely detection of newer variants, if any, circulating in the …

Ex-AIIMS boss cautions against new Omicron variants, says situation is different
2 years, 5 months ago

Ex-AIIMS boss cautions against new Omicron variants, says situation is different

Hindustan Times  

A senior health expert has appealed for caution in the wake of the emergence of sub-variants of the fast-spreading Omicron strain of the coronavirus disease. Besides the advisory on masks, Guleria urged high-risk groups and elderly people to avoid going out due to the risk of the spread of the infection. Maharashtra has also reported India's first case of XBB …

‘Stealthy’ new Covid variant can reinfect you every month
2 years, 6 months ago

‘Stealthy’ new Covid variant can reinfect you every month

The Independent  

The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US Your briefing on the latest headlines from across the US SIGN UP I would like to be emailed about offers, events and updates from The Independent. “So maybe six to eight weeks they are …

New BA.2.75 Omicron variant becoming difficult to track: WHO explains why
2 years, 8 months ago

New BA.2.75 Omicron variant becoming difficult to track: WHO explains why

Live Mint  

World Health Organisation on Tuesday warned that its ability to track the COVID virus is reducing as the rate of testing and surveillance has dropped significantly across the world. During the weekly briefing on COVID on Tuesday, WHO official Maria Van Kerkhove explained, “Our ability to track the variants is dependent on surveillance of the virus, the testing that is …

Researchers claim new COVID-19 test CoVarScan can identify all variants in hours
2 years, 8 months ago

Researchers claim new COVID-19 test CoVarScan can identify all variants in hours

The Hindu  

Scientists in the U. S. have developed a rapid COVID-19 test that can accurately detect all current variants of SARS-CoV-2 within hours. The research, published recently in the journal Clinical Chemistry, shows that the test is as accurate as other methods used to diagnose COVID-19, and can successfully differentiate between all current variants of SARS-CoV-2. 4,000 patients tested Dr. SoRelle's …

Coronavirus infections rise 70% as fears of a new wave grow
2 years, 9 months ago

Coronavirus infections rise 70% as fears of a new wave grow

Dutch News  

The number of confirmed coronavirus infections in the Netherlands has risen for the third week in a row, and more people have been admitted to a hospital intensive care ward, public health institute RIVM said on Tuesday. Warnings On Monday, the Netherlands’ two biggest employers’ organisations made a public appeal to get people to start keeping to the basic coronavirus …

Coronavirus infections rise 70% as fears of a new wave grow
2 years, 9 months ago

Coronavirus infections rise 70% as fears of a new wave grow

Dutch News  

The number of confirmed coronavirus infections in the Netherlands has risen for the third week in a row, and more people have been admitted to a hospital intensive care ward, public health institute RIVM said on Tuesday. Warnings On Monday, the Netherlands’ two biggest employers’ organisations made a public appeal to get people to start keeping to the basic coronavirus …

Delhi: Authorities step up measures amid spike in COVID-19 cases
2 years, 9 months ago

Delhi: Authorities step up measures amid spike in COVID-19 cases

Live Mint  

Deploying more people for monitoring home isolation cases, restocking medicines and aggressive contact tracing to identify affected areas, district authorities on Tuesday have ramped up measures to tackle the current spike in COVID-19 cases in Delhi. According to a government doctor posted in the west district, they have directed all public health centres in the district to increase the number …

Coronavirus infections rise 64% in a week as Omicron variants take hold
2 years, 9 months ago

Coronavirus infections rise 64% in a week as Omicron variants take hold

Dutch News  

The number of positive coronavirus tests registered with public health institute RIVM rose 64% over the past seven days to 15,526. The rise in official positive tests is probably connected to two new Omicron variants which are ‘gaining ground’ in the Netherlands, the RIVM said. The RIVM is monitoring the spread of the virus via traces in waste water, and …

Centre asks states to ramp up testing, genome sequencing as Covid cases rise
2 years, 9 months ago

Centre asks states to ramp up testing, genome sequencing as Covid cases rise

India Today  

The Centre on Thursday advised all states to maintain a strict watch, take pre-emptive measures and increase testing to control any emerging spread of Covid infection. "In the week ending June 8, 4,207 average daily new cases were reported as compared to 2,663 average daily new cases in the week ending June 1. There has also been an increase in …

Pandemic gets tougher to track as COVID testing plunges
2 years, 10 months ago

Pandemic gets tougher to track as COVID testing plunges

LA Times  

Testing for coronavirus infections has plummeted across the globe, making it much tougher for scientists to track the course of the COVID-19 pandemic and spot new, worrisome viral variants as they emerge and spread. “We’re not testing anywhere near where we might need to,” said Dr. Krishna Udayakumar, who directs the Global Health Innovation Center at Duke University. At a …

Pandemic Gets Tougher to Track as Covid-19 Testing Plunges
2 years, 10 months ago

Pandemic Gets Tougher to Track as Covid-19 Testing Plunges

News 18  

Testing for Covid-19 has plummeted across the globe, making it much tougher for scientists to track the course of the pandemic and spot new, worrisome viral mutants as they emerge and spread. Were not testing anywhere near where we might need to, said Dr. Krishna Udayakumar, who directs the Duke Global Health Innovation Center at Duke University. Mara Aspinall, managing …

Next COVID variant can be cause of concern: WHO warning
2 years, 11 months ago

Next COVID variant can be cause of concern: WHO warning

Live Mint  

The uncertainty that what the next COVID variant will be, remains a significant cause of concern for us, World Health Organisation said adding “we need to plan for different kinds of scenarios.” Also pointing out that Omicron is currently dominant worldwide, WHO's Maria Van Kerkhove said it is currently tracking sublineages and sister lineages of the variant - BA.4, BA.5, …

Delhi: Omicron found in 97% samples taken from Covid victims from Jan to March
2 years, 11 months ago

Delhi: Omicron found in 97% samples taken from Covid victims from Jan to March

Hindustan Times  

Ninety-seven percent of the samples taken from those who died of Covid in Delhi from January to March had the Omicron variant of coronavirus, according to government data. Overall, the Omicron variant was found in all the 504 samples analysed at genome sequencing laboratories in the capital in March. The third wave of infections driven by the Omicron variant saw …

WHO: COVID cases and deaths fall for 3rd consecutive week
2 years, 11 months ago

WHO: COVID cases and deaths fall for 3rd consecutive week

Associated Press  

GENEVA — The number of new coronavirus cases and deaths reported to the World Health Organization fell for a third consecutive week, a trend likely helped by the dismantling of testing and surveillance programs. In its latest weekly report on the pandemic, issued late Tuesday, the U.N. health agency said the more than 7 million new cases reported represented a …

COVID at record levels in U.K. with almost 5 million infected
2 years, 11 months ago

COVID at record levels in U.K. with almost 5 million infected

LA Times  

The latest U.K. estimates suggest that the steep climb in new infections since late February, when Prime Minister Boris Johnson scrapped all remaining coronavirus restrictions in England, continued well into March. Nonetheless, the latest estimates suggest that the steep climb in new infections since late February, when Prime Minister Boris Johnson scrapped all remaining coronavirus restrictions in England, continued well …

State finds Omicron BA.2 variant in 99% of sequenced samples in Feb. last week
3 years ago

State finds Omicron BA.2 variant in 99% of sequenced samples in Feb. last week

The Hindu  

Special Genome Sequencing data of SARS-CoV-2 in Karnataka shows an increasing proportion of Omicron BA.2 Variant of Concern from 87% in the first week of February to 99% in the last week of the same month. According to data from the State Health Department, of the total 2,155 COVID samples sequenced during the special genome sequencing drive in February, 89.8% …

Scientists Worry Virus Variant May Push Up COVID Cases In US
3 years ago

Scientists Worry Virus Variant May Push Up COVID Cases In US

Huff Post  

FILE - Fans storm the court at the conclusion of a college basketball game in Champaign, Ill., on Sunday, March 6, 2022. Dr. Anthony Fauci, the U.S. government’s top infectious disease expert, told ABC’s “This Week” over the weekend that he also thinks the U.S. will likely face an “uptick” similar to what’s happening in Europe, particularly the United Kingdom, …

Scientists worry virus variant may push up COVID-19 cases in the U.S.
3 years ago

Scientists worry virus variant may push up COVID-19 cases in the U.S.

LA Times  

After about two months of falling COVID-19 cases, pandemic restrictions have been lifted across the U.S. Dr. Anthony Fauci, the U.S. government’s top infectious-disease expert, told ABC’s “This Week” over the weekend that he also thinks the U.S. will face an “uptick” similar to what’s happening in Europe, particularly the United Kingdom, where BA.2 is the dominant strain. It’s clear, …

India steps up vigil as Covid infections increase globally
3 years ago

India steps up vigil as Covid infections increase globally

Hindustan Times  

All patients admitted to district hospitals across India for respiratory ailments will have to undergo testing for Covid-19 and the samples that return positive will then be sent for genome sequencing as part of India’s efforts to heighten its surveillance amid a global surge in infections, people familiar with the matter said. All respiratory cases undergoing treatment in district hospitals, …

New outbreak calls for quick response
3 years ago

New outbreak calls for quick response

China Daily  

In a country where any local outbreak of the novel coronavirus is sufficient to trigger the lockdown of a neighborhood or a citywide epidemiological investigation, the appearance of 1,807 local cases on the Chinese mainland on Saturday poses a grave challenge due to the Omicron variant. That hundreds of asymptomatic cases are also being reported every day, along with confirmed …

’Need to know how virus is changing’: WHO explains ways to identify new variants
3 years, 1 month ago

’Need to know how virus is changing’: WHO explains ways to identify new variants

Live Mint  

In order to identify new COVID variants, testing is critical, World Health Organisation pointed out. But if you’re living in a developing country where you might spend five or ten dollars per person on health for the whole year, five antigen tests or ten antigen tests are massively expensive. Recently, WHO chief scientist Dr. Soumya Swaminathan also pointed out, one-third …

WHO chief on 2 factors creating an ’ideal condition’ for new coronavirus strains
3 years, 1 month ago

WHO chief on 2 factors creating an ’ideal condition’ for new coronavirus strains

Live Mint  

Sounding another alarm regarding the next COVID variant, World Health Organisation chief pointed out that inequitable access to vaccines and tests in many countries combined with high transmission is creating an ideal condition for new variants to emerge. Most countries are not performing genomic sequencing Explaining why it is difficult to identify new variants early, WHO chief scientist Soumya Swaminathan …

Coronavirus updates | February 2, 2022
3 years, 1 month ago

Coronavirus updates | February 2, 2022

The Hindu  

The World Health Organisation chief said Tuesday that 90 million cases of coronavirus have been reported since the omicron variant was first identified 10 weeks ago — amounting to more than in all of 2020, the first year of the COVID-19 pandemic. -PTI National Zydus Cadila starts supply of COVID-19 vaccine to govt Drug firm Zydus Cadila on Wednesday said …

Coronavirus cases since Omicron exceed those in all of 2020, WHO says
3 years, 2 months ago

Coronavirus cases since Omicron exceed those in all of 2020, WHO says

LA Times  

The head of the World Health Organization says 90 million coronavirus cases have been reported since the Omicron variant was first identified 10 weeks ago. The World Health Organization chief said Tuesday that 90 million coronavirus cases have been reported since the Omicron variant was first identified 10 weeks ago — amounting to more cases than in all of 2020, …

Coronavirus updates | January 22, 2022
3 years, 2 months ago

Coronavirus updates | January 22, 2022

The Hindu  

International travellers who test positive for COVID-19 will no longer be sent for mandatory “ institutional quarantine ” as the Centre has relaxed its guidelines, allowing States leeway in how they deal with such passengers. govt extends closure of educational institutions till January 30 The Uttar Pradesh government on Saturday extended the closure of educational institutions, including schools, till January …

Expect more worrisome variants after Omicron, scientists warn
3 years, 2 months ago

Expect more worrisome variants after Omicron, scientists warn

LA Times  

People wait in line at a COVID-19 testing site in New York City’s Times Square. “It’s the longer, persistent infections that seem to be the most likely breeding grounds for new variants,” said Dr. Stuart Campbell Ray, an infectious disease expert at Johns Hopkins University. For a virus that spreads exponentially, he said, “anything that curbs transmission can have a …

New testing kit able to detect 15 strains of novel coronavirus
3 years, 2 months ago

New testing kit able to detect 15 strains of novel coronavirus

China Daily  

Guo Yong, professor at Tsinghua's School of Medicine, talks about the new COVID-19 testing kit on camera. China approved a new COVID-19 testing kit on Saturday that can accurately diagnose 15 common strains of the novel coronavirus, including the Delta and Omicron variants, according to kit developer Tsinghua University. The kit, which was approved by the National Medical Products Administration, …

Expect More Worrisome COVID Variants After Omicron, Scientists Say
3 years, 2 months ago

Expect More Worrisome COVID Variants After Omicron, Scientists Say

Huff Post  

LOADING ERROR LOADING Get ready to learn more Greek letters. “It’s the longer, persistent infections that seem to be the most likely breeding grounds for new variants,” said Dr. Stuart Campbell Ray, an infectious disease expert at Johns Hopkins University. For a virus that spreads exponentially, he said, “anything that curbs transmission can have a great effect.” Also, when vaccinated …

Expect more worrisome variants after omicron, scientists say
3 years, 2 months ago

Expect more worrisome variants after omicron, scientists say

Associated Press  

Get ready to learn more Greek letters. “It’s the longer, persistent infections that seem to be the most likely breeding grounds for new variants,” said Dr. Stuart Campbell Ray, an infectious disease expert at Johns Hopkins University. For a virus that spreads exponentially, he said, “anything that curbs transmission can have a great effect.” Also, when vaccinated people get sick, …

PAHO: Omicron to become dominant variant in Americas shortly
3 years, 2 months ago

PAHO: Omicron to become dominant variant in Americas shortly

Associated Press  

MIAMI — The Pan American Health Organization said Wednesday it expects omicron to become the predominant coronavirus variant in the Americas in the coming weeks, where confirmed cases have reached record levels. “While delta is still causing new infections in the Americas, based on current trends, omicron is on track to become the dominant strain in our region,” Carissa Etienne, …

India's genome sequencing strategy to be revised to see if Omicron behind hospitalisations | Exclusive
3 years, 2 months ago

India's genome sequencing strategy to be revised to see if Omicron behind hospitalisations | Exclusive

India Today  

India is all set to revise its genome sequencing strategy to see if cases of hospitalisation in Covid-19 patients is due to the Omicron variant, sources said. Samples of hospitalised patients will be sent for gene sequencing; this will help establish if the new variant of concern is behind hospitalisation, increased severity and death in Covid infected people. READ | …

Nearly 250,000 new coronavirus cases in 8 days: Where is L.A. County Omicron surge heading?
3 years, 2 months ago

Nearly 250,000 new coronavirus cases in 8 days: Where is L.A. County Omicron surge heading?

LA Times  

People wait in line at a coronavirus testing site on Broadway in Santa Monica. Over the last eight days, there have been nearly 250,000 positive cases of coronavirus reported in Los Angeles County, a record-breaking number that shows how fast the Omicron variant is spreading. “Clearly, the number of positive tests is actually higher than it was a year ago …

US sees record hospitalisation of kids under 5, UK says 4th Covid jab not needed
3 years, 2 months ago

US sees record hospitalisation of kids under 5, UK says 4th Covid jab not needed

India Today  

Covid-19 infections continue to gallop across the world even as measures have been imposed to curb the spread of the virus led by the more contagious Omicron variant. The total number of Covid-19 cases registered worldwide passed 300 million on Friday, with the Omicron variant's rapid spread setting new infection records in dozens of countries over the last week. Since …

Omicron accounts for 95% of new US cases: CDC
3 years, 2 months ago

Omicron accounts for 95% of new US cases: CDC

India Today  

The Omicron variant accounted for 95 per cent of new coronavirus infections last week, according to US health officials' latest estimates. The CDC uses genomic surveillance data to make projections about which versions of the Covid-19 viruses are causing the most new infections. The latest estimates suggest a dramatic swing - in just one month - in which version of …

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