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Articles for H5N1

Does 2022 H5N1 bind, replicate better in the respiratory tract?
2 days, 2 hours ago

Does 2022 H5N1 bind, replicate better in the respiratory tract?

The Hindu  

Since the first case of H5N1 clade 2.3.4.4b in a farm worker in Texas was reported in April this year, the number of confirmed H5N1 cases in humans as of December 20 has shot up to 64 in the U.S., with 34 cases in California alone. The researchers of the preprint study found that the H5N1 virus that has been …

Respiratory Virus Cells Louisiana Clade H5N1 Avian
With government shutdown looming, what happens to bird flu surveillance?
3 days, 18 hours ago

With government shutdown looming, what happens to bird flu surveillance?

LA Times  

Cows graze in a field on Thursday in Petaluma, Calif. Gov. Gavin Newsom declared a state of emergency to be better prepared to deal with the spread of Type A H5N1 bird flu, which has spread through dairy cows in 16 states — including California— and has caused illnesses in people in the U.S. As government agencies prepare for a …

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Why has California declared a state of emergency over bird flu?
4 days, 18 hours ago

Why has California declared a state of emergency over bird flu?

Al Jazeera  

Cases of the H5N1 strain of bird flu are on the rise in humans in the US, with the first severe case reported in Louisiana this week. “CDC confirms first severe case of H5N1 Bird Flu in the US. Bird flu, or avian influenza, is a virus that typically spreads among birds but can also affect humans and other animals, …

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California declares state of emergency as H5N1 bird flu threatens pandemic... in chilling echo of Covid dark days
Trending News
4 days, 22 hours ago

California declares state of emergency as H5N1 bird flu threatens pandemic... in chilling echo of Covid dark days

Daily Mail  

California has declared a state of emergency for H5N1 bird flu amid fears that the virus could jump to people and start to spread. The declaration of emergency gives California state and local resources to contain the outbreak, including hiring staff or issuing contracts for things like tests or personal protective equipment. California has declared a state of emergency over …

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More L.A. cats appear to be infected with H5N1 bird flu
5 days, 18 hours ago

More L.A. cats appear to be infected with H5N1 bird flu

LA Times  

A cat owner uses a handheld thermometer to take its temperature. L.A. County health officials are investigating the case of three cats presumed to have H5N1 bird flu. Experts believe three more cats in Los Angeles County have been infected with H5N1 bird flu. “The risk of H5 bird flu remains low in Los Angeles County, but these confirmed cases …

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Gov. Newsom declares emergency in California after CDC confirms severe case of bird flu in Louisiana
5 days, 18 hours ago

Gov. Newsom declares emergency in California after CDC confirms severe case of bird flu in Louisiana

LA Times  

Gavin Newsom declared a state of emergency Wednesday as the H5N1 bird flu virus moved from the Central Valley to Southern California dairy herds, while federal officials confirmed the first U.S. case of severe illness in a hospitalized Louisiana patient — a concerning development as the virus continues to spread throughout the nation via migrating birds. “These additional laboratory investigations …

Public Health Dairy Changes Case California Newsom Bird Flu
Opinion: Bird flu is coming for humans. We can either get ready or court disaster
6 days, 18 hours ago

Opinion: Bird flu is coming for humans. We can either get ready or court disaster

LA Times  

Bird flu has seen a resurgence in the U.S. this year, with California leading the pack. Since 2022, millions of egg-laying chickens have been exposed to, infected with and culled or killed by H5N1 in the U.S. What stands out this year is how widespread the infection has been among dairy cows, which are spreading it to farmworkers — the …

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Bovine H5N1 displays pronounced neurotropism in many mammals
1 week, 2 days ago

Bovine H5N1 displays pronounced neurotropism in many mammals

The Hindu  

A study investigated and compared the tissue tropism of a 2004 H5N1 strain isolated from a fatal human case and the 2024 bovine strain of H5N1 that is currently circulating in mice and found that the two strains displayed significantly different abilities to infect different tissues. Also, mice challenged with the 2024 bovine H5N1 isolates exhibited clinical signs consistent with …

Respiratory Brain Viral H5N1 Mice 2004 Bovine
Bird flu reportedly prompts another raw milk recall
1 week, 2 days ago

Bird flu reportedly prompts another raw milk recall

LA Times  

Holstein cows feed at a dairy farm outside Jerome, Idaho, in 2009. State agriculture officials Saturday announced a raw milk recall from Stanislaus County producer Valley Milk Simply Bottled, a news report said. Officials found H5N1 bird flu in bulk milk tanks produced by the Modesto-based raw milk dairy, according to the news agency YubaNet. The order applies to all …

Recall California Bird Flu Milk Valley Raw Raw Milk
Latest California child to become ill after drinking raw milk does not have bird flu, CDC says
1 week, 4 days ago

Latest California child to become ill after drinking raw milk does not have bird flu, CDC says

LA Times  

A Northern California child who consumed raw milk and became severely ill did not have the bird flu virus, according to tests conducted by the Centers for Disease Control and Prevention. The child’s mother purchased Raw Farm raw milk, mistaking it for unhomogenized — or cream top — pasteurized milk. Last week, raw milk sales from Fresno-based Raw Farm were …

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Cats in L.A. County die after drinking recalled raw milk
1 week, 4 days ago

Cats in L.A. County die after drinking recalled raw milk

LA Times  

The Los Angeles County Department of Public Health said Thursday that it is investigating two possible cases of H5N1 bird flu in cats that consumed recalled raw milk from Raw Farm LLC. “The risk of H5 bird flu remains low in Los Angeles County, but this suspected case of the virus in a pet cat that consumed raw milk is …

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Health Experts Warn of Bird Flu's Pandemic Threat
1 week, 5 days ago

Health Experts Warn of Bird Flu's Pandemic Threat

Deccan Chronicle  

Paris: Health experts have been sounding the alarm about the potential pandemic threat posed by bird flu, which has been showing signs of mutating as it spreads among cows and infects people in the United States. The deadly bird flu variant H5N1 first emerged in China in 1996, but over the last four years it has sp More than 300 …

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Bird flu may need a single mutation to spread among humans, study finds
2 weeks, 2 days ago

Bird flu may need a single mutation to spread among humans, study finds

LA Times  

Cows are milked at a Fresno dairy farm. Here’s what you need to know to start your weekend: The H5N1 bird flu may be one mutation away from being a threat to humans. And here’s today’s e-newspaper The H5N1 bird flu virus may need just one mutation to be a threat to humans, a study found. “Yikes,” “Oh great” and …

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A single mutation could make bird flu much worse, study finds
2 weeks, 3 days ago

A single mutation could make bird flu much worse, study finds

Salon  

As the number of human bird flu cases continues to rise and more dairy farms across the country report outbreaks, scientists are increasingly concerned that the H5N1 virus will mutate to better infect people. In the lab, the authors of the study found that a single mutation in the primary protein, hemagglutinin could give it the ability to cling onto …

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Just one mutation can make H5N1 bird flu a threat to humans, California researchers say
2 weeks, 4 days ago

Just one mutation can make H5N1 bird flu a threat to humans, California researchers say

LA Times  

California researchers say the world may be just one genetic tweak away from human-to-human transmission of the H5N1 bird flu virus — a worrisome mutation that could open the door to widespread human infections and possibly even a pandemic, according to some experts. In a study published Thursday in the journal Science, Scripps Research Institute biologists determined that a single …

Dairy Bird Wilson Virus Human Flu Paulson
Bird flu: How raw milk could usher in a pandemic.
2 weeks, 4 days ago

Bird flu: How raw milk could usher in a pandemic.

Slate  

Bird flu just might have found a direct route toward infecting more humans. The immediate risk posed by the bird flu virus’s presence in raw milk is limited to individual consumers who drink the stuff. But if you were actively trying to catch bird flu but couldn’t make it to a farm to handle the cows yourself, a glass of …

Health Risk California Bird Flu Milk Raw H5N1 Virus
H5N1 strain of bird flu can spread through air, study finds
2 weeks, 6 days ago

H5N1 strain of bird flu can spread through air, study finds

India Today  

Avian influenza, commonly known as bird flu, primarily affects birds and some cattle. The findings drew attention to the fact that while the 2005 strain of H5N1 did not demonstrate any infectious virus particles in air samples, newer strains as recent as 2022 in a European polecat and 2024 in a US dairy worker showed limited virus in the air. …

Air Bird Flu Virus Study Spread Strain H5N1
Experts say bird flu is more widespread than we think: ‘We are in a soup of virus’
3 weeks, 6 days ago

Experts say bird flu is more widespread than we think: ‘We are in a soup of virus’

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 Scientists are warning about the continued transmission of dangerous H5N1 bird …

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Despite warnings from bird flu experts, it’s business as usual in California dairy country
3 weeks, 6 days ago

Despite warnings from bird flu experts, it’s business as usual in California dairy country

LA Times  

It was a late fall morning and hundreds of cows — black and white splattered Holsteins and cappuccino-colored Jerseys — milled about a San Joaquin Valley dairy farm in the largest milk-producing state in the nation. The scene seemed utterly unremarkable — except for the fact that five days earlier, the H5N1 bird flu virus that has ravaged California’s dairy …

Dairy Workers California Bird Virus Told Cows
Three mysterious bird flu cases worry experts that another pandemic is looming
3 weeks, 6 days ago

Three mysterious bird flu cases worry experts that another pandemic is looming

Salon  

This month, two independent cases of bird flu were detected in North American children without any known exposure to infected animals, raising concerns that the H5N1 virus that causes it is inching closer to evolving in a way that allows it to spread between humans. Again, if the H5N1 virus develops the ability to efficiently spread between humans, the world …

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Bird flu found in raw milk sold in California
3 weeks, 6 days ago

Bird flu found in raw milk sold in California

Salon  

Over the weekend, California state health officials warned the public to avoid drinking raw milk from a Fresno-based dairy farm that was being sold in stores. “Out of an abundance of caution, and due to the ongoing spread of bird flu in dairy cows, poultry and sporadic human cases, consumers should not consume any of the affected raw milk.” Related …

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Why a teenager's bird-flu infection is leaving scientists concerned
4 weeks, 1 day ago

Why a teenager's bird-flu infection is leaving scientists concerned

India Today  

A teenager in Vancouver, Canada, is in critical condition after contracting an H5N1 avian influenza virus, raising concerns among researchers about the virus's potential to adapt to humans. Genome sequencing suggests that the virus has mutations that might enhance its ability to infect human airway cells, sparking fears about its evolution, according to a report in Nature. The virus shares …

Infection Virus Human
Bird flu worries European health agencies as they increase virus surveillance
1 month ago

Bird flu worries European health agencies as they increase virus surveillance

Salon  

As flu season nears, Europe is increasing surveillance for human cases of H5N1 influenza, also known as bird flu. “We’ve updated our guidance to include milder symptoms in individuals exposed to birds or other animals,” Angeliki Melidou, principal expert in respiratory viruses at the ECDC, told The Telegraph. “The priority is to strengthen surveillance and ensure we monitor and follow …

Europe Cases Bird Bird Flu Human Flu
The number of cases of H5N1 bird flu is growing - but can it be caught by eating chicken?
1 month ago

The number of cases of H5N1 bird flu is growing - but can it be caught by eating chicken?

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 As the number of human bird flu cases have continued to …

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