Diseases, Conditions, Syndromes

New bird flu strain seen adapting to mammals, humans

A genetic analysis of the avian flu virus responsible for at least nine human deaths in China portrays a virus evolving to adapt to human cells, raising concern about its potential to spark a new global flu pandemic.

Diseases, Conditions, Syndromes

Bird flu 101: How bad is the new H7N9 strain?

A bird flu virus never before found in humans has grabbed world attention this week after it infected and killed people in China. Scientists have been scrambling to understand how it happened and, more importantly, whether ...

Diseases, Conditions, Syndromes

China bird flu mutates, might infect mammals

In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday.

Diseases, Conditions, Syndromes

Scientists: China bird virus likely silent threat

Scientists taking a first look at the genetics of a bird flu strain that has killed three people in China said Wednesday that the virus could be harder to track than its better-known cousin H5N1 because it might be able to ...

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