วันอาทิตย์ที่ 11 ตุลาคม พ.ศ. 2552

Swine Flu Germs – Where Are They Hiding? – 6 Germ Infested Public ...

Disease-carrying bacteria and viruses live everywhere, shopping malls, grocery stores, playgrounds, restaurants and libraries. Did you know that germs can survive up to 2 hours on shopping carts, escalator handrails, even doorknobs ...