Glossary

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Ww

Warfarin

An anticoagulant (blood thinner) that reduces the formation of blood clots.

West Nile virus

A disease spread by infected mosquitoes. Although many infected people experience no symptoms, the infection may be associated with fever, headache, body aches, skin rash, and swollen lymph glands. These symptoms can last a few days to several weeks, and usually go away on their own. If West Nile virus enters the brain, it can be life-threatening.

White blood cell

A type of blood cell made in the bone marrow and found in the blood and lymph tissue. White blood cells are a part of the body’s immune system. They help fight infection and other diseases.