An aggressive flu virus has gripped northern India. Northern India, in particular the Delhi metropolitan region, is experiencing a significant spike in infections with the H3N2 strain of influenza ...

India's southern state of Kerala is currently facing an outbreak of the rare, but potentially serious Nipah virus with at least two deaths so far, according to local reports. Health officials have ...

Chikungunya, which can disable victims for years, is spreading rapidly, including in China, France and other places that have not seen major outbreaks before. By Stephanie Nolen Stephanie Nolen, who ...