Human immunodeficiency virus or HIV interferes with the immune system of an individual who exposed to HIV infection through unprotected sexual intercourse, blood transfusion (contaminated blood), hypodermic needles, congenitally(from ...

// // // ]]> Norovirus or Norwalk agent is behind around 50% of foodborne gastroenteritis outbreaks in the US. Moreover, Norovirus causes approximately 90% of epidemic non bacterial gastroenteritis outbreaks in the world. ...

// // // ]]> Photo by: Tom Patterson Spanish flu, a word which can recall you a dreadful incident occurred in the world history. This is the most devastating influenza pandemic (an infectious disease affecting a large ...