But to manufacture from scratch the backbone of a virus that can also cause disease is almost impossible. Garry: I mean, people just don't know enough about what makes a virus pathogenic to be ...

Cases of a respiratory virus that causes flu-like symptoms are surging in China, raising plenty of questions about what this could mean for the rest of the world. Human metapneumovirus (HMPV) has been ...

Investigators said they're looking into how the child was exposed to the virus. A CDC spokesperson confirmed this is the second child infected with bird flu in the country, the first case being in ...