Bacteria, including ones that cause disease, can survive in the freezer and make their way onto ice cubes. Researchers tested different bacteria-contaminated ice cubes in various drinks. They found that the bacteria could survive in vodka, but were killed by whisky and Coke.

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Bacteria, including ones that cause disease, can survive in the freezer and make their way onto ice cubes. Researchers tested different bacteria-contaminated ice cubes in various drinks. They found that the bacteria could survive in vodka, but were killed by whisky and Coke.