The Ebola virus is a very infectious virus.

Ebola virus disease is highly infectious and can cause severe symptoms.

Ebola is a very dangerous virus.

This road is dangerous, so please be careful.

Please avoid this road because it's dangerous.

It is a very beautiful view.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

My computer was infected with a virus.

This virus is highly infectious.