As the virus continues to mutate, scientific advisers to the C.D.C. are urging Americans to roll up their sleeves again for annual vaccinations.
Category: Viruses
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New Covid Vaccine Endorsed for Fall
The panel endorsed targeting a variant of the coronavirus that is now receding, though some officials suggested aiming at newer versions of the virus that have emerged in recent weeks.
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Bird Flu Has Infected a Third U.S. Farmworker
The worker had respiratory symptoms, unlike the first two. But the risk to the public remains low, federal health officials said.
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Beef Tissue from Sick Cow Tests Positive for Bird Flu Virus
Muscle from a sick dairy cow tested positive for the virus. The meat did not enter the commercial food supply, which officials said remained safe.
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A Second Dairy Worker Has Contracted Bird Flu, C.D.C. Reports
The new case, in a Michigan farmworker, did not suggest that bird flu was widespread in people, health officials said, adding that the risk to the general public remained low.
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AstraZeneca Is Withdrawing Its Covid Vaccine Worldwide, Citing Low Demand
The shot is no longer being manufactured or supplied, and it is no longer authorized for use in Europe.
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Pasteurized Dairy Foods Free of Live Bird Flu, Federal Tests Confirm
But the scope of the outbreak among cattle remains uncertain, and little human testing has been done.
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Federal Officials Find No Live Bird Flu Virus in Initial Milk Tests
The early results suggest that pasteurization is killing the H5N1 virus in milk, something that regulators were not certain of.
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One in Five Milk Samples Nationwide Shows Genetic Traces of Bird Flu
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.
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Bird Flu Outbreak in Cattle May Have Begun Months Earlier Than Thought
A single spillover, from a bird to a cow, led to the infections, a review of genetic data has found.
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Bird Flu Is Infecting More Mammals. What Does That Mean for Us?
H5N1, an avian flu virus, has killed tens of thousands of marine mammals, and infiltrated American livestock for the first time. Scientists are working quickly to assess how it is evolving and how much of a risk it poses to humans.
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Scientists Fault Federal Response to Bird Flu Outbreaks on Dairy Farms
Testing for H5N1 infection has been limited, and the outbreak was never confined. But asymptomatic cows in North Carolina may require a reassessment.