Bird flu, H5N1 virus

Bird flu patient had virus mutations, sparking concern about human spread
The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus. Doctors react and share their concerns.
"Concerning" bird flu mutations in Louisiana patient underscores pandemic potential of H5N1
In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another pandemic like COVID-19. So far, most cases have been described as “mild,” which means they weren't hospitalized.
Bird Flu Samples From Very Ill Patient Had ‘Concerning’ Mutations
Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there is no sign that mutations are widespread in nature.
Bird flu uptick in US has CDC on alert for pandemic 'red flags': report
The Centers for Disease Control and Prevention is keeping close eye on pandemic indicators amid bird flu cases arising in the United States.
Canadian Teen Recovers From Severe H5N1 Bird Flu Infection
As for testing, the girl's first swab at BC Children's was positive for influenza A but negative for H1 or H3 disease. Further polymerase chain reaction testing for flu, COVID, and respiratory syncytial virus showed a cycle threshold (Ct) value of 27.1, suggesting a relatively high viral load, which prompted further subtyping, revealing H5 disease.
Bird Flu Mutated Inside US Patient, Raising Concern
The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to human airways, though there is no evidence it has spread beyond the individual,
Bird flu virus likely mutated within a Louisiana patient, CDC says
A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the illness in the United States. The U.S.
Virus in Louisiana bird flu patient shows mutations that could increase transmissibility to humans, CDC analysis finds
A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of H5N1 bird flu show the virus likely mutated in the patient to potentially become more transmissible to humans,
Louisiana bird flu patient is first in US to have a 'severe' case
Among 61 people infected with bird flu in the U.S. this year, a Louisiana patient is the first to have "severe" disease
CDC Reports Potentially Troublesome Mutations in Bird Flu Found in Louisiana Patient
Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu,
'Worrisome' mutations found in H5N1 bird flu virus isolated from Canadian teenager
Genetic analysis of H5N1 bird flu virus that infected a Canadian teenager shows 'worrisome' mutations, new studies reveal.
The New England Journal of Medicine5h
Highly Pathogenic Avian Influenza A(H5N1) Virus Infections in Humans
Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...
Bird Flu Wastewater Map Reveals Where in the US Virus Is Active
The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.
"We should have learned our lesson from COVID" for bird flu testing, Dr. Leana Wen says
"I feel like we should've learned our lesson from COVID, that just because we aren't testing doesn't mean the virus isn't ...
We ‘have our head in the sand’: Health experts warn US isn’t reacting fast enough to threat of bird flu
The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...