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Hand Washing: A Simple Way to Reduce Your Risk

Credit: Yemen Observer
article: How to Kill Bacteria and Other Microbes 		Other images from this article
Hand Washing: A Simple Way to Reduce Your Risk Antibiotic Disks Prevent Bacteria From Growing UV Rays Killed Most Bacteria in Dish on Left Peti Dish: Top Dirty Dish Washer, Bottom Clean Bacteria Growing in Cloudy Liquid Medium
Hand Washing: A Simple Way to Reduce Your Risk, Yemen Observer