Science Matters

The origins of modern viruses are not entirely clear. It may be that no single mechanism can account for all viruses. They do not fossilize ...

Viral diseases such as rabies, yellow fever and smallpox have affected humans for many centuries. There is hieroglyphical evidence of polio ...

A virus (from the Latin noun virus, meaning toxin or poison) is a sub-microscopic particle (ranging in size from 20–300 nm) that can infect ...

In order to better understand the evolution of poliovirus vaccine strains, I've included a brief overview of the virus and its history.....