米国CDC ・・・ ことしは流感流行立ち上がり早い

米国では、インフルエンザの流行立ち上がりが早いそうだ・・・

U.S. Flu Season Off To Early Start, CDC Urges Vaccination
Early Vaccine Coverage Data Shows Millions Unprotected Still
http://www.cdc.gov/flu/spotlights/early-season-nivw.htm

45 Hospitalized As Flu Season Arrives Early
http://www2.nbc4i.com/news/2012/dec/05/flu-season-arrives-early-45-hospitalized-ar-1265408/

CDC warns flu cases could rise this year