Volckens explained that N95 masks are only certified by one lab that is part of the Centers for Disease Control and Prevention (CDC), and that is partly why supply can’t meet demand right now.

Assess your risk of contracting H1N1 swine flu with our easy-to-use Swine Flu Risk Calculator. Identify risk factors, ...

Brazil's varied landscape, including the Amazon and Andes, may offer a natural defense against bird flu, as migratory patterns keep the virus from penetrating the country's interior. This geographical ...