Medicine: Why Rats Bite Babies

Rats bite men because they like human blood. Johns Hopkins' Curt P. Richter, Ph.D., in the Journal of the American Medical Association, says he can prove it.

Dr. Richter's interest was aroused when he noticed how many people came in to Johns Hopkins Hospital to be treated for rat bites. There were 87 in four years, most of them from the two-square-mile area surrounding the hospital, and Dr. Richter heard of 28 others who were bitten but did not come for treatment. Most of those bitten were babies under a year old. "One child was bitten on eleven different nights."

Rat bites are...

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