This lake is known as a dangerous body of water.

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.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

Ebola hemorrhagic fever is a highly infectious disease.

Ebola hemorrhagic fever is a highly infectious disease.

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