Results tagged “failure” from 60 Second Science

Last time I checked, vaccines are supposed to prevent you from contracting the illness they're supposed to protect against — that's why I dutifully got my cootie shots every day at recess (never caught it either, depite the best efforts of icky girls). But Merck recently saw their HIV vaccine trials backfire in perhaps the worst way: Not only did they not work, they might make recipients more likely to contract HIV. Hoo boy...that had to be a rough briefing.

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