Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...

Public health officials have been warning for some time that nothing about the flu is predictable. But here’s something that is: When it comes to a new strain of the flu like H1N1, which has already ...

The symptoms of pandemic H1N1 influenza of 2009 are essentially the same as the seasonal flu, although some have noted an increased frequency of gastrointestinal symptoms, including vomiting and ...

Swine flu, scientifically known as the H1N1 virus, is making headlines again as cases surge in various parts of the country, particularly in the national capital. With symptoms resembling those of ...

WASHINGTON (Reuters) - The world has moved closer to the threat of a pandemic of a new kind of flu, with 149 people suspected to have died from it in Mexico and new cases being detected around the ...