The infectious capacity of this virus is very strong.

Hansen's disease is a disease with very weak infectiousness.

I think his behavior is abnormal.

He missed school because of sickness.

His only weakness is sweets.

He is weak, so he tends to get sick easily.

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

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.