My laboratory is on the third floor of the university.

He is known as an excellent researcher.

I am a member of that research association.

We are focusing on the research and development of new products.

I conducted a research project as a summer vacation homework.

This epidemic is spreading all over the world.

This epidemic spread rapidly around the world.

It is said that venereal disease was widespread during the Edo period.

She was diagnosed with Addison's disease.

My grandfather has been suffering from diabetes for many years.