The two viruses roaming the globe this year and looking to knock you down a notch are dubbed Types A Sydney and B Beijing. One of the biggest killer epidemics in the world occurred in 1918 and 1919, when millions worldwide died from the flu. So, get your shot, Nang said. If you're not sure when and where it's available, consult with the health care provider you routinely use or the one nearest you. Shots, he said, are the No. 1 way to prevent flu.
Colds are a different story.
Some 200 different cold viruses are lurking about - too many for scientists to develop a vaccine. Nang said your best defense is to keep up a good defense. If you can't, try to turn your back a little or keep your eyes and nose away from them. Nang said cold and flu germs are often projected by coughs and sneezes and enter your body through your eyes and nose. It isn't that the germs penetrate your skin.