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West Nile Virus
Scanning the globe for viruses, from Baltimore
Scanning the globe for viruses, from Baltimore

Somewhere in our conversation about Ebola and other viruses, Dr. Robert Gallo mentions crows. The man's mind works at warp speed — even without the jolt of caffeine from a midafternoon coffee at his office in West Baltimore — and he rattles off opinions, quips, facts and anecdotes so fast you'd better grab something and hold on. I grab "crows." "Did you say, 'crows'?" I ask. "Yes, I observed crows overhead," says Gallo, world-famous as the co-discoverer of the virus that causes AIDS and director of the Institute of Human Virology at the University of Maryland School of Medicine. It was August 2012. Gallo had been bitten by a...