A ping-pong infection occurred at school, causing many students to take time off.

Oral infection is when pathogens enter the body through food or drink.

Prevention of infectious diseases is important with hand washing and wearing masks.

Due to the increase in community-acquired infections, please thoroughly wash your hands and wear masks.

Please refrain from going out because community-acquired infections are spreading rapidly.

It is important to identify the source of infection.

Basidiomycetes are a large group of fungi that include many types such as mushrooms and shiitake.

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.

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