Genetic sequences of H5N1 bird flu viruses collected from a person in Louisiana who became severely ill show signs of development of several mutations thought to affect the virus’ ability to ...

The spread of the bird flu among humans and other mammals in the United States has sparked some concern among public health experts in recent weeks, though U.S. officials say the risk it currently ...

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird flu that ... the agency said the mutations it identified in samples ...

The ongoing spread of bird flu in the United States has alarmed ... Instead, the agency said the mutations were "likely generated by replication of this virus in the patient with advanced disease ...

Currently, the CDC and U.S. federal government have no vaccine for the H5N1 bird flu, but some are in development, including one from Moderna. Health officials determined the most recent mutation ...

(Cynthia Goldsmith, Jackie Katz/CDC via AP, File) A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe case of the illness, the ...

The first severe case of bird flu in the U.S. is showing signs of mutation, stoking fears that the virus could become more transmissible among humans, the U.S. Centers for Disease Control and ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed mutations that may result in the virus becoming more transmissible among ...

Scientists with the Centers for Disease Control and Prevention have identified mutations in H5N1 bird flu infections — in hospitalized patients in Louisiana and British Columbia — that may ...

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 agency said the mutations it identified ...

The bird of brown and white feathers has long represented the United States as a majestic and soaring symbol, but only this week did a law make it official. By Sara Ruberg The bald eagle received ...

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. By Benjamin ...