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Health Topics for the letter "Y"
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Yersiniosis (yer-sin-ee-o-sis) is an infection caused by the bacteria Yersinia. Yersinia is a strong bacteria that can continue to live in environments without much oxygen and in refrigeration. One common source of infection can be contaminated food such as raw or undercooked pork.
Yellow fever is a disease cause by flavivirus. The virus is spread by mosquito bites that occur in the jungle and tropical areas of South America and Africa.