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Turns out, very humid air might be toxic to flu viruses. Scientists aren’t quite sure why, but one possibility is that droplets that contain the virus shrink quickly in arid environments, allowing them to float around longer. In moist air, those same droplets might remain heavy and fall to the floor faster, says Dr Ted Myatt, an environmental scientist. Invest in a humidifier that keeps the humidity level between 40 and 60 per cent.
Photo by Keith Goldstein / Getty Jun 26, 2012