Few of the most common upper respiratory infections in children require antibiotics.

Such children cannot fight off common infections and, left untreated, usually die before their first birthday.

These diseases are the most common infections of the world's poorest people.

Tuberculosis is a less common bacterial infection of the lower respiratory system.

Toxoplasmosis is a common infection found in birds, animals, and people.

He had no diarrhea, so many common infections seemed less likely.

Just given those symptoms and nothing else it'd be impossible to say whether it was withdrawal, side effects, or some common infection.

They remain the most common parasitic infection of human in developing countries.

The advance is also expected to lead to vaccines for other common infections.

For women aged 16-25, salpingitis is the most common serious infection.