Swin flu has yt to scalat into a global pandmic, but hr‘s what to do if it dos 5 Ways to Protct Yourslf (and Othrs) from Swin Flu xprts say that th stps you should tak to shild yourslf from swin flu ar not much diffrnt than thos you might tak to ward off sasonal flu。1. Don‘t touch your facAbov all, kp your hands away from your ys, mouth and nos, all of which srv as pathways for th virus to ntr your rspiratory tract, says Allison Aillo, an pidmiologist at th Univrsity of Michigan School of Public Halth in Ann Arbor。2. Wash your handsIf you must touch your fac, scrub your hands, gtting undr th fingrnails and insid all crvics, for 20 to 30 sconds with hot soap and watr bforhand, Aillo says. In addition to dislodging dirt that may contain virus particls, soaps contain surfactants [th primary componnts of dtrgnts] which can damag th lipid [fat] protcting virus particls, sh xplains. Soap should thrfor b ffctiv against all flu viruss。3. Us a hand sanitizrNo sink narby? Thn us an alcohol-basd hand sanitizr, Aillo adviss. About a quartr-siz spot, rubbd all ovr th hands until th sanitizr vaporats (usually 10 to 15 sconds)， should do it. Alcohol can inactivat viruss by dstroying th structur of thir protins, sh nots。4. Covr your nos and mouthWhn somon snzs or coughs, liquid droplts packing flu viruss can travl as far as thr ft (on mtr) through th air and dscnd on your nos or mouth, so it‘s bst to maintain at last an arm‘s-lngth distanc whn talking to somon who shows signs of infction, says Louis Dmbry, dirctor of pidmiology at Yal–Nw Havn Hospital in Conncticut. And to protct othrs, covr your mo.