Avian Influenza

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    Bird Flu Suspected in Deaths of Ducks and Wild Birds at N.Y.C. Zoos

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    Three ducks died of the disease at the Queens Zoo, while three more ducks and nine wild birds that died at the Bronx Zoo were being tested for the virus, according to the parks’ operator.Three ducks at the Queens Zoo died because of bird flu, and as many as 12 more birds at the Bronx Zoo that died after possible exposure were being tested for the virus, according to the Wildlife Conservation Society, the nonprofit that operates the parks.The deaths and possible exposures at the Queens Zoo and the Bronx Zoo, one of the largest and most well-known zoos in the United States, come as an outbreak of bird flu has spread across the country, sickening chickens and dairy cattle and driving up the price of eggs.On Friday, Gov. Kathy Hochul ordered all live bird markets in New York City and a few surrounding counties to close temporarily in an effort to stem the spread of the virus. “Safeguarding public health is all about being proactive,” she said in a statement.The order, from the state’s Department of Agriculture and Markets, requires live bird markets that have not detected any bird flu cases to sell their inventories and disinfect their operations. Markets with detected cases must follow guidelines for quarantine and depopulation, the order said.The virus, called H5N1, has infected roughly 156 million commercial, backyard and wild birds across the country since January 2022. The Centers for Disease Control and Prevention has said that the illness poses minimal risks to the general public’s health, and that it does not yet have the ability to spread readily among people.The Wildlife Conservation Society, which also operates the Central Park Zoo, the Prospect Park Zoo and the New York Aquarium on Coney Island, said that, as a precaution, the organization had recently moved vulnerable bird species to separate, protected areas inside its parks. It has also limited the exposure of other animals in its care to wild birds and especially to waterfowl, which are known to be carriers of the virus.“We have assessed and reviewed our protocols regarding risk to our birds from avian influenza,” the nonprofit said in a statement. “Our veterinarians and curators continue to closely monitor the situation in the region and are collaborating with city, state and federal agencies.”The Bronx and Queens Zoos remained open on Saturday, the organization said, noting the low risk of visitors coming into contact with zoo birds or contracting the virus.On Saturday afternoon at the Queens Zoo, Marck Vasquez and Jennifer Espinoza said they were sad to find that the swans, one of their favorite attractions, were not in their usual pond surrounded by wild birds, but instead alone in a separate enclosure.“It feels empty,” said Mr. Vasquez, 21.Nearby, another visitor, Chawsu, 36, who is originally from Myanmar, strolled by a pond where scores of wild mallards swam. Ms. Chawsu said she was sad the flu was sickening birds but that she was otherwise unconcerned.“I’m coming from a country where every year we have bird flu,” Ms. Chawsu said. “It’s not a worry to me.”Ellen Yan More

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      CDC Posts, Then Deletes, Data on Bird Flu Transmission Between Cats and People

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      The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the agency to release the full report.Cats that became infected with bird flu might have spread the virus to humans in the same household and vice versa, according to data that briefly appeared online in a report from the Centers for Disease Control and Prevention but then abruptly vanished. The data appear to have been mistakenly posted but includes crucial information about the risks of bird flu to people and pets.In one household, an infected cat might have spread the virus to another cat and to a human adolescent, according to a copy of the data table obtained by The New York Times. The cat died four days after symptoms began. In a second household, an infected dairy farmworker appears to have been the first to show symptoms, and a cat then became ill two days later and died on the third day.The table was the lone mention of bird flu in a scientific report published on Wednesday that was otherwise devoted to air quality and the Los Angeles County wildfires. The table was not present in an embargoed copy of the paper shared with news media on Tuesday, and is not included in the versions currently available online. The table appeared briefly at around 1 p.m., when the paper was first posted, but it is unclear how or why the error might have occurred.The virus, called H5N1, is primarily adapted to birds, but it has been circulating in dairy cattle since early last year. H5N1 has also infected at least 67 Americans but does not yet have the ability to spread readily among people. Only one American, in Louisiana, has died of an H5N1 infection so far.The report was part of the C.D.C.’s prestigious Morbidity and Mortality Weekly Report, which, until two weeks ago, had regularly published every week since the first installment decades ago. But a communications ban on the agency had held the reports back, until the wildfire report was published on Wednesday.Experts said that the finding that cats might have passed the virus to people was not entirely unexpected. But they were alarmed that the finding had not yet been released to the public.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      A Bird Flu Pandemic Would Be One of the Most Foreseeable Catastrophes in History

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      Almost five years after Covid blew into our lives, the main thing standing between us and the next global pandemic is luck. And with the advent of flu season, that luck may well be running out.The H5N1 avian flu, having mutated its way across species, is raging out of control among the nation’s cattle, infecting roughly a third of the dairy herds in California alone. Farmworkers have so far avoided tragedy, as the virus has not yet acquired the genetic tools to spread among humans. But seasonal flu will vastly increase the chances of that outcome. As the colder weather drives us all indoors to our poorly ventilated houses and workplaces, we will be undertaking an extraordinary gamble that the nation is in no way prepared for.All that would be more than bad enough, but we face these threats gravely hobbled by the Biden administration’s failure — one might even say refusal — to respond adequately to this disease or to prepare us for viral outbreaks that may follow. And the United States just registered its first known case of an exceptionally severe strain of Mpox.As bad as the Biden administration has been on pandemic prevention, of course, it’s about to be replaced by something far worse. Robert F. Kennedy Jr., Donald Trump’s pick to lead the nation’s vast public health agency, has already stated he would not prioritize research or vaccine distribution were we to face another pandemic. Kennedy may even be hastening its arrival through his advocacy for raw milk, which can carry high levels of the H5N1 virus and is considered a possible vector for its transmission.We might be fine. Viruses don’t always manage to adapt to new species, despite all the opportunities. But if there is a bird flu pandemic soon, it will be among the most foreseeable catastrophes in history.Devastating influenza pandemics arise throughout the ages because the virus is always looking for a way in, shape shifting to jump among species in ever novel forms. Flu viruses have a special trick: If two different types infect the same host — a farmworker with regular flu who also gets H5N1 from a cow — they can swap whole segments of their RNA, potentially creating an entirely new and deadly virus that has the ability to spread among humans. It’s likely that the 1918 influenza pandemic, for example, started as a flu virus of avian origin that passed through a pig in eastern Kansas. From there it likely infected its first human victim before circling the globe on a deadly journey that killed more people than World War I.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Robert F. Kennedy Jr.’s FDA Wish List: Raw Milk, Stem Cells, Heavy Metals

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      Robert F. Kennedy Jr., one of President-elect Donald J. Trump’s advisers on health, is taking aim at the agency’s oversight on many fronts.Robert F. Kennedy Jr. has been unflinching in his attacks on the Food and Drug Administration in recent weeks, saying he wants to fire agency experts who have taken action against treatments that have sometimes harmed people or that teeter on the fringe of accepted health care practice.How much influence Mr. Kennedy will have in President-elect Donald J. Trump’s next administration remains unclear, with some suggesting that he could act as a White House czar for policy over several federal health agencies. Mr. Trump has voiced support for Mr. Kennedy in recent weeks, saying he will let him “go wild on health.” In his acceptance speech, Mr. Trump reiterated his support for Mr. Kennedy’s involvement on health matters.Some of Mr. Kennedy’s priorities are relatively standard, such as focusing on the health effects associated with ultraprocessed foods. Yet others threaten to undermine F.D.A. authority to rein in inappropriate medical treatments or to warn about products that can damage the public health.A spokeswoman for Mr. Kennedy did not respond to interview requests.Days before the election, in a post on X that has received 6.4 million views, Mr. Kennedy threatened to fire F.D.A. employees who have waged a “war on public health.” He listed some of the products that he claimed the F.D.A. had subjected to “aggressive suppression,” including ivermectin, raw milk, vitamins as well as therapies involving stem cells, and hyperbaric oxygen.Some items that he singled out had become flash points for conservative voters during the coronavirus pandemic, including ivermectin, which was found to be an ineffective treatment against Covid.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      3 Presumed Bird Flu Cases Reported in Colorado

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      The cases, which have yet to be confirmed, were identified in farmworkers culling infected birds. The risk to the public remains low, health officials said.Three workers at a poultry farm in northeast Colorado have preliminarily tested positive for bird flu, according to state health officials.The workers had been culling birds from an infected population at the farm, the Colorado Department of Public Health and Environment said on Friday. All three workers had direct contact with infected birds and were experiencing mild symptoms, including conjunctivitis and “common respiratory infection symptoms,” the department said.The results are preliminary, and the tests have been sent to the Centers for Disease Control and Prevention for confirmation, the C.D.C. said.So far, four farmworkers in the United States have been infected with the virus, called H5N1, which is tied to a continuing outbreak among dairy cattle in several states.One case has been reported in Colorado, another in Texas and two more in Michigan, according to the C.D.C. All of those cases involved direct exposure to dairy cows, according to the state and federal health authorities, and officials have said that there is no evidence that the H5N1 virus spreads easily among humans.The risk to the public remains low, the C.D.C. said, but the agency added that it had sent a team to Colorado at the state’s request to help investigate.The C.D.C. said that it would look into whether workers were wearing personal protective equipment. Farmworkers are advised but not required to wear such equipment, including masks, safety goggles and gloves.“These preliminary results again underscore the risk of exposure to infected animals,” the C.D.C. said of the three new cases in Colorado. “There are no signs of unexpected increases in flu activity otherwise in Colorado, or in other states affected by H5 bird flu outbreaks in cows and poultry.”Avian influenza refers to a group of flu viruses primarily adapted to birds. The virus infecting farmworkers, H5N1, was first identified in 1996 in China and reported in people in 1997 in Hong Kong. A new form of H5N1, which surfaced in Europe in 2020, has rapidly spread around the world, and an outbreak in the United States has affected more than 99 million birds.The outbreak has been spreading among dairy farms since at least March, and 152 dairy herds in 12 states have tested positive for the virus. Scientists are researching how the virus is being transmitted through cows.The virus has also spread to a wide array of animals, including marine mammals like seals and bottlenose dolphins, skunks, squirrels and even domestic cats. More

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      The Disease Detectives Trying to Keep the World Safe From Bird Flu

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      As Dr. Sreyleak Luch drove to work the morning of Feb. 8, through busy sunbaked streets in Cambodia’s Mekong river delta, she played the overnight voice messages from her team. The condition of a 9-year-old boy she had been caring for had deteriorated sharply, and he had been intubated, one doctor reported. What, she wondered, could make the child so sick, so fast?“And then I just thought: H5N1,” she recalled. “It could be bird flu.”When she arrived at the airy yellow children’s ward at the provincial hospital in Kratie, she immediately asked the child’s father if the family had had contact with any sick or dead poultry. He admitted that their rooster had been found dead a few days before and that the family had eaten it.Dr. Luch told her colleagues her theory. Their responses ranged from dubious to incredulous: A human case of avian influenza had never been reported in their part of eastern Cambodia. They warned her that if she set off the bird flu warning system, many senior government officials might get involved. She risked looking foolish, or worse.Anxious but increasingly certain, Dr. Luch phoned the local public health department, located just across the street. Within minutes, a team arrived to collect a sample from the child, Virun Roeurn, for testing in a lab.By then, Virun’s distraught parents had lost faith in the hospital. They demanded that he be sent by ambulance to the capital, Phnom Penh. His flu swab sample traveled with him.Virun died on the journey. At 8 p.m., Cambodia’s National Public Health Laboratory confirmed Dr. Luch’s suspicion: He had died of highly pathogenic avian influenza.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      One in Five Milk Samples Nationwide Shows Genetic Traces of Bird Flu

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      There is no evidence that the milk is unsafe to drink, scientists say. But the survey result strongly hints that the outbreak may be widespread.Federal regulators have discovered fragments of bird flu virus in roughly 20 percent of retail milk samples tested in a nationally representative study, the Food and Drug Administration said in an online update on Thursday.Samples from parts of the country that are known to have dairy herds infected with the virus were more likely to test positive, the agency said. Regulators said that there is no evidence that this milk poses a danger to consumers or that live virus is present in the milk on store shelves, an assessment public health experts have agreed with.But finding traces of the virus in such a high share of samples from around the country is the strongest signal yet that the bird flu outbreak in dairy cows is more extensive than the official tally of 33 infected herds across eight states.“It suggests that there is a whole lot of this virus out there,” said Richard Webby, a virologist and influenza expert at St. Jude Children’s Research Hospital.Dr. Webby said that he believed it was still possible to eradicate the virus, which is known as H5N1, from the nation’s dairy farms. But it will be difficult to design effective control measures without knowing the scope of the outbreak, he said.The findings also raise questions about how the virus has evaded detection and where else it might be silently spreading. Some scientists have criticized the federal testing strategy as too limited to reveal the true extent of viral spread.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Bird Flu Spreads to Dairy Cows

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      U.S. regulators confirmed that sick cattle in Texas, Kansas and possibly in New Mexico contracted avian influenza. They stressed that the nation’s milk supply is safe, saying pasteurization kills viruses.A highly fatal form of avian influenza, or bird flu, has been confirmed in U.S. cattle in Texas and Kansas, the Department of Agriculture announced on Monday.It is the first time that cows infected with the virus have been identified.The cows appear to have been infected by wild birds, and dead birds were reported on some farms, the agency said. The results were announced after multiple federal and state agencies began investigating reports of sick cows in Texas, Kansas and New Mexico.In several cases, the virus was detected in unpasteurized samples of milk collected from sick cows. Because pasteurization kills viruses, officials emphasized that there was little risk to the nation’s milk supply.“At this stage, there is no concern about the safety of the commercial milk supply or that this circumstance poses a risk to consumer health,” the agency said in a statement.Outside experts agreed. “It has only been found in milk that is grossly abnormal,” said Dr. Jim Lowe, a veterinarian and influenza researcher at the College of Veterinary Medicine at the University of Illinois at Urbana-Champaign.In those cases, the milk was described as thick and syrupy, he said, and was discarded. The agency said that dairies are required to divert or destroy milk from sick animals.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More