Wash your hands early and often. That's standard advice for
preventing the flu. But that's not always practical. If hand-
washing isn't possible, the federal Centers for Disease Control
and Prevention suggests using alcohol-based hand rubs. Studies
show that products with sufficient alcohol content are effective
at reducing the number of viral and bacterial germs on the
hands. These products are also quick and convenient. Note that
only hand sanitizers that contain at least 60% alcohol are
effective. (Some products on the market contain just 40%
alcohol.) Either gel or liquid is fine, but choose products that
contain isopropyl or ethanol alcohol. Also note that hand
sanitizers are different from antimicrobial soap. Antibacterial
soap is used with water and is marketed as being able to kill
bacteria. Studies show, however, that antibacterial soap is no
more effective than non-antibacterial soap. Hand sanitizers are
designed to be used without water. Apply about a dime-size drop
on one palm. Run your hands toget