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 virus was declared eliminated from the United States in 2000. A measles outbreak infecting patients in Texas and New Mexico has turned deadly. An unvaccinated school-aged child died of the virus, ...

For over a century, scientists have analyzed the vast microbial world within the human body. They’ve found bacteria, fungi, ...

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 ...

COVID-19 struck the world at a time when China and the U.S. were closing in on trade negotiations, shattering a potential ...

As global temperatures rise and climate change accelerates glaciers and permafrost are melting at unprecedented rates. While ...

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 ...

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.