It is important to understand the importance of health.

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.

My computer got infected with a computer virus.

He is an expert in virology.

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

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

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.