It is important to identify the source of infection.

The infectious capacity of this virus is very strong.

The number of people infected with the new coronavirus is rapidly increasing.

He cannot enter into a legal contract as a person without legal capacity.

I am studying for the Japanese Language Proficiency Test next year.

He believes that he is a psychic.

The prevention of venereal diseases is most important in safe sexual behavior.

Anthropozoonosis, or animal-derived infectious diseases, have the potential to spread between humans and animals.

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

Zoonosis is a disease that spreads from animals to humans, or vice versa.