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flag Scientist finds viruses can reduce foodborne illnesses in milk but cost remains a barrier.

flag Food microbiologist Dennis D'Amico found that bacteriophages, viruses that infect bacteria, can significantly reduce foodborne pathogens like Listeria and Salmonella in pasteurized milk. flag In raw milk, phages reduced Salmonella but not Listeria or E. coli. flag Cheese-making limited their effectiveness. flag The main hurdle is cost; a million times more phages than pathogens are needed for results.

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