Researchers at Karolinska Institutet, together with international colleagues, have identified a protein on the surface of cells that is crucial to allowing the tick-borne encephalitis (TBE) virus to ...

The primary cause of warts is the human papillomavirus (HPV). This highly contagious virus can be easily transmitted through direct contact with an infected person or surface. There are over 100 ...

Varicella zoster virus (VZV) can cause chickenpox, as well as shingles and severe complications. When one comes into contact with VZV for the first time, the virus enters the body through the airways, ...

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New ...

Viruses are tiny — and sneaky. So sneaky that some play a deadly game of hide and seek. The "seek" part is all too familiar: They're always looking for ways to infect humans. Their ability to hide is ...

The blood-retinal barrier is designed to protect our vision from infections by preventing microbial pathogens from reaching the retina where they could trigger an inflammatory response with potential ...