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Does cold air kill germs?

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It would need to be very, very cold to kill germs - bacteria, that is, including those that cause disease and that you are probably thinking of when you think of germs. read more

This effect can be countered by spending more time away from people outside when it is cold, but no, the cold air of winter does not kill germs. If germs die of cold it is either because they dried out or because the water inside the bacteria froze. read more

However in many cases, cold do not really kill microorganisms, but inactivate them. On the other hand sufficient heat will dismentle microorganisms. However, if you are wondering how well does a blow dryer (from the hot air and cold air option) kills germs. read more

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