While different strains of influenza virus can co-infect cells and form hybrid flus, virus co-infections have tended to be rare. The pathogens often outcompete one another so that one can gain ...

H5N1 avian influenza is highly pathogenic and has been devastating bird populations worldwide. It continues to do so, and is also moving into new animals, like skunks, bears, raccoons, cats, and dairy ...

Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak havoc on animals, as ...

The cold season is in full swing, throats are scratchy and noses are running. We feel ill and hope it is not the flu. The ...

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, one of the body’s ways of stopping viruses in their tracks, according to new ...