He is an expert in virology.

My computer got infected with a computer virus.

The Ebola virus is a very infectious virus.

The poliovirus is a virus that primarily enters the body through the mouth and destroys the nervous system.

Norovirus can be prevented by hand washing and disinfection.

Our lives have changed significantly due to the impact of the coronavirus.

In the midst of the corona disaster, we learned a new lifestyle.

The infectious capacity of this virus is very strong.

A ping-pong infection occurred at school, causing many students to take time off.

Oral infection is when pathogens enter the body through food or drink.