parasite

(Newser) - Alaskan king salmon are getting sick, and experts have named a culprit: global warming. Marine ecologists say that a rise in "white spot disease" is tied to a 3-decade trend of higher temperatures in the Yukon River, the Los Angeles Times reports. With cold-temperature barriers melting, parasites and bacteria...

(Newser) - In a campaign led by Jimmy Carter, world public health authorities have decreased the incidence of guinea worm disease (formally known as dracunculiasis) from 3.5 million cases in 1986 to just over 25,000 in 2006. Guinea worm is a parasite transmitted through water to humans that causes excruciating...