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Eight in 10 Americans have heard or read at least something about Zika -- a virus spread mainly by mosquitoes that has recently reached the U.S. and which can cause birth defects and other illnesses -- and most are at least somewhat concerned about a possible outbreak. Sixty-four percent of Americans are at least somewhat concerned that there will be a large outbreak of the Zika virus inside the United States within the next twelve months, including 1 in 4 who are very concerned. ... Sixty-four percent of Americans do not think the federal government is adequately prepared to deal with a widespread outbreak of Zika inside the U.S. (8/16)

Virologists cleaning up after the Ebola epidemic in West Africa say they've discovered something surprising and promising: People who had malaria when they caught Ebola were more likely to survive the deadly infection. People infected with malaria when they caught Ebola were, on average, 20 percent less likely to die from their Ebola infections, the National Institutes of Health team reported. Researchers are not sure why, but they're now following up with more studies to see how the malaria parasite affects the immune system, to see if it somehow boosts the body's ability to fight infection. (Fox, 8/16)