He became infected with a cold.

Please don't forget to hydrate to prevent heat stroke.

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

I took a painkiller because I had a severe headache.

The effect of this medicine is to alleviate the symptoms of a cold.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

The urethral sphincter is a muscle that controls the flow of urine.

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

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