He has laughing sickness, and he can't stop laughing.

Her cat's forehead is very small.

He needs special care because of his inherited disease.

The author's photo is featured on the back cover of this book.

He is suffering from a strange malady.

He is an expert in pathology.

She was diagnosed with Addison's disease.

My mother nursed me when I caught a cold.

Gonorrhea is one of the sexually transmitted diseases, and appropriate treatment is necessary.

This pathogen is very dangerous to humans.