According to a new study, a team of scientists used special gene-silencing drugs to selectively "knock out" viral proteins in Chinese rhesus macaques infected with a lethal dose of the Zaire Ebola virus. Zaire is the most virulent strain of Ebola—90 percent of infected people die during outbreaks. Ebola spreads via bodily fluids or tainted needles and razors, and it's highly contagious. Infections in humans and other primates typically cause acute fever and headaches. (source: news.nationalgeographic.com)
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