Hand washing and wearing masks are important for the prevention of COVID-19.

Our lives have changed significantly due to the new coronavirus.

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

We installed fire alarms to defend our house against fire.

In order to prevent the spread of the new coronavirus, it is important to avoid the three Cs (Closed spaces, Crowded places, and Close-contact settings).

In order to prevent the spread of the new coronavirus, it is important to avoid the three Cs (Closed spaces, Crowded places, and Close-contact settings).

Health is very important.

His opinion is very important.

He always changes the topic to avoid the problem.

To prevent infection, don't forget to wash your hands.