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 ...

Were there already viruses on Earth when the first living cells appeared billions of years ago? – Aayush A., age 16, India ...

Soil is full of an uncountable number of viruses, and scientists are only beginning to understand just how substantial their ...

These first microbes would have been extremely simple. Meanwhile, viruses degrade more easily than bacteria, so there are no physical fossils of viruses. Related: What was the first animal on Earth?

From colds to cold sores, chickenpox and COVID-19, when we think about well-known infections or diseases, there's often a virus behind them. In fact, viruses are the most diverse and numerous ...

Oct. 31, 2024 — Scientists investigating animal viruses with potential to infect humans have identified a critical protein that could enable spillover of a family of organisms called arteriviruses.

Influenza viruses cause tens of millions of illnesses and thousands of deaths in the United States each year. There are two players every flu season: influenza Type A and Type B. Influenza A tends ...

What I find especially distressing about it is how the worldwide adversity was caused by just a tiny thing — namely, a virus called SARS-CoV-2. However, biological viruses have always been a potent ...

Mr. Quammen is the author of “Breathless: The Scientific Race to Defeat a Deadly Virus.” Health officials would like to remind you that we are entering that time of the year still quaintly ...

Ebola virus disease is a rare but often deadly condition that causes fever, body aches, diarrhea, and sometimes bleeding inside and outside the body. It's caused by viruses commonly called Ebola ...

While no test is perfect, to now be able to test for certain viruses at home when symptoms begin can help patients and their doctors come up with appropriate care plans sooner. Traditionally ...