By Marissa Fessenden(Click here for the original article)Rabies, the disease that drives infected victims wild, is nearly always fatal once it reaches the brain. A fresh finding from two remote communities in the Peruvian Amazon may reveal a chink in the virus’s armor. Scientists have tested six native human beings there who have never received a vaccination yet appear to have developed natural antibodies to the virus. The researchers reckon that vampire bats, common in the region, bit the sleeping humans and passed along small amounts of the virus over age. The multiple, low-dose exposures gave each person’s immune system a chance to learn how to fight back.
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