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Showerhead Biofilms Can Host Pathogens

There are multiple areas in your home where bacteria find it easy to grow. Bacteria thrive in a warm, moist environments. One common household item that can harbor nearly 360 different species of bacteria is your kitchen sponge. However, while putting a sponge in the microwave for several minutes may kill some bacteria it doesn’t kill the worst ones.  This is one reason Philip Tierno, professor of microbiology and pathology at New York University School of Medicine, says water temperatures need to be at least 140 degrees Fahrenheit (F) to kill bacteria and germs on your clothing (most automatic dishwashers are set at 120 F). The truth is bacteria are very resilient, even to heat.  Read more...



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