A 2nd Type of H5N1 Bird Flu Jumped From Cows to Humans

Is US bird flu outbreak in cattle a global risk to humans?
A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of Nevada. On February 10, 2025, the US Centers for Disease Control and Prevention released data showing the new D1.
A Second Type of H5N1 Bird Flu Jumped From Cows to Humans
H5N1 bird flu is branching out. New data from the Centers for Disease Control and Prevention indicates that a second type of H5N1 has likely spread from dairy cows to humans.
Bird flu cases surging in UK but risk to humans remains low
A human case of bird flu has recently been detected in England. This news comes just days after restrictions were put in place to curb the virus's spread among wild birds and poultry in England and Scotland.
The danger of bird flu mixing with human flu? A potential pandemic
As cases of seasonal influenza surge, health officials are closely monitoring a growing threat—the potential fusion of human and bird flu strains.
Nevada dairy worker infected with new bird flu strain becomes state's first human case
A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.
Dairy farmer gets bird flu; what to know about new strain
A dairy worker in Nevada has contracted a new strain of the bird flu. Here's what we know about the D1.1 genotype bird flu strain. Start the day smarter. Get all the news you need in your inbox each morning.
The Courier-Journal22d
Bird flu has been reported worldwide. Is it a threat to humans? What the CDC recommends.
Most human cases of bird flu in the U.S. have been mild so far, and most had known exposure to sick or infected animals. Avian influenza A viruses are very different from human seasonal influenza ...
The Indianapolis Star22d
Bird flu has been spreading worldwide. What's the threat? Here's what the CDC recommends.
Most human cases of bird flu in the U.S. have been mild so far, and most had known exposure to sick or infected animals. Avian influenza A viruses are very different from human seasonal influenza ...