He is really a shameless person.

I think he is really a shameless person.

That decision had a bad effect on our project.

He contracted brucellosis because he was working on a farm.

Hand washing and wearing masks are important for the prevention of severe acute respiratory syndrome.

He created a mnemonic to learn a new language.

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.