This area is affected by radioactive fallout from past nuclear tests.

It is important for us to respect cultural diversity and understand each other's differences.

The study of filterable pathogens is an important part of virology.

She was diagnosed with polycystic ovary syndrome.

In chemistry class, I learned about the reaction of pyruvate.

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He is suffering from acquired immune deficiency syndrome (AIDS).

She was diagnosed with polycystic ovary syndrome.

He was diagnosed with amyotrophic lateral sclerosis.

He contracted severe invasive streptococcal disease and underwent emergency surgery.