Three types of flu viruses affect humans: types A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high ...

Viruses are entities that have to infect other cells in order to replicate. They may have genomes that are made of DNA or RNA. We are still discovering new types of RNA viruses, as shown in two new ...

More than 600 types of viruses that infect bacteria have been found living on toothbrushes and showerheads – and many of them have never been seen before. Close. Advertisement.

Viruses. A virus is a piece of malicious computer program designed to replicate itself. This ability to replicate, can affect your computer without your permission and without your knowledge. In ...

That some virus types contain just RNA strongly suggests that viruses predate cells, Anantharaman said. The virus-first hypothesis is still the most widely accepted among evolutionary biologists.

Human parainfluenza viruses cause respiratory infections. They are most common in children. There are four different types of human parainfluenza viruses: HPIV-1, HPIV-2, HPIV-3, and HPIV-4.

This article explains what to look for if you suspect that your phone has a virus. It also covers the types of viruses that end up on phones and provides tips for preventing an infection.

Could common viruses silently influence your brain health? Discover what new research reveals about herpes and dementia.

The five file types listed above are commonly known to contain viruses. However, just about any file type can potentially contain malicious functionality; malicious image files like JPGs, PNGs ...

Perhaps it's time for viruses to take their turn in the limelight. The NIH's Human Virome Program aims to fill the great gap in our knowledge about viruses that "call us home".