Children are most likely to have adenovirus infections, but people of all ages can get them. They spread through the...

The bacteria Bordetella pertussis causes whooping cough. It's spread when an infected person coughs or sneezes, spraying germ-laden droplets into...

Enteroviruses are small, icosahedral, single-stranded, positive-sense RNA viruses. Numbered enteroviruses cause a range of illnesses from mild ('hand, foot and...

Arboviruses are a group of diseases spread to humans through the bites of infected mosquitoes, ticks and sandflies. These viruses...

Picornaviruses are a family of nonenveloped RNA viruses that infect vertebrates. They contain a single-sense positive-sense RNA genome within a...