Anyone who eats meat less well cooked is assuming a certain risk of bacterial or parasitic illness.

Penicillin had been discovered in 1928, and in the years that followed, antibiotics were increasingly used to fight bacterial illness.

If you have a viral or bacterial illness, you'll expose your coworkers and they in turn will infect others.

Others are more vulnerable because of a recent viral or bacterial illness.

This is a serious viral or bacterial illness that causes swelling of the tissues around the brain and spinal cord.

People often test positive for Lyme disease when in fact they have a different bacterial illness.

Episodes may last for several days, paralleling the time course of a bacterial or viral illness.

Longevity has increased during the last century, but chiefly because better sanitation and drugs have reduced bacterial illness.

Wash your hands often when you are around people with colds or viral or bacterial illnesses.

Lyme disease is a bacterial illness that has been fatal in only two cases, both of which had complications.