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 ...

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

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, ...

The virus that causes COVID-19 continues to mutate. Scientists say that's likely to continue indefinitely, and the virus will ...

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 ...

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

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 ...

A supernova explosion about 2.5 million years ago sent cosmic rays to Earth. Around that time, virus diversity in Lake ...

Our air quality is affected by nearby environmental factors, as well as ripple effects from thousands of miles away.

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.