How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together? Aa Aa Aa The evolutionary history of ...

The history of influenza vaccine and the associated technology shows how the vaccine has evolved to match the evolution of influenza viruses. Box 1. Current nomenclature for influenza viruses (WHO ...

Flu, polio, AIDS. We all know that viruses have caused immeasurable suffering throughout human history. And when asked to describe a virus, most people probably would say, "small." Indeed ...

In this story we'll look at overall trends in the history of PC viruses; also see the timeline below and to the left for more information about specific virus events. uses external resources ...

National Museum of American History In April 1957, a new strain of a lethal respiratory virus emerged in East Asia, caught local health authorities by surprise and eventually killed masses of ...

It was the first measles death in the United States since 2015, according to the CDC. The virus was declared eliminated from the United States in 2000. A measles outbreak infecting patients in ...

It became obvious that it was necessary to modify regularly the composition of the vaccine, and that it was necessary to use vaccine strains selected according to any emerging new virus.