H5N1 virus, severe bird flu illness

In severe bird flu cases, the virus can mutate as it lingers in the body
A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New England Journal of Medicine.
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.
‘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.
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.
Teen Hospitalized for Bird Flu Shows 'Worrisome' Change in People
Teen's recovery from H5N1 bird flu raises concerns after genetic mutations suggest virus could become more dangerous to humans.
Scientists Say Extremely Worried About Mutation in H5N1 Bird Flu Found In Recovered Canadian Teen
A Canadian teenager infected with the H5N1 bird flu in November has fully recovered, but scientists are worried about mutations in the virus that can increase its ability to bind to human cells, causing deadlier diseases.
From Birds to Humans: How Hidden Mutations Are Driving the H5N1 Crisis
In light of the ongoing global spread of the H5N1 avian influenza, U.S. public health experts are reassured that current treatments and vaccines are effective against severe disease. The virus, which has caused sporadic human cases,
San Bernardino County man says his cats died after drinking raw milk contaminated with bird flu
With concern over the bird flu continuing to mount across the country, one Inland Empire man says that his beloved pets fell ...
Bird flu FAQ: Everything you need to know about the H5N1 outbreak that’s spread to dairy cows in 9 states
Though H5N1 has been circulating nationwide in wild birds, domestic poultry, and mammals since 2022, you may have only been ...
Boston researcher and physician says we’re at ‘DEFCON 3’ for bird flu. Here’s what that means.
Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.
US to award $306 mln for bird flu monitoring and preparedness
The U.S. Department of Health and Human Services said on Friday it would award $306 million in funds to help bird flu ...
What are the symptoms of bird flu and how does it spread?
Humans infected with bird flu display a wide range of symptoms, from pneumonia requiring hospitalization to no symptoms at ...
Bird Flu Warning Over New Virus Risk: 'Significant Public Health Concern'
Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.
Biden Administration, in its Final Days, Commits More Cash to Bird Flu Preparation
Public-health experts have been highly critical of the federal and state response to the virus, which was first identified in ...
Up to 5 house cats sick as bird flu found in 2nd raw pet food brand: Health officials
Another brand of raw pet food has been found to contain bird flu and has made at least five house cats presumably sick with ...