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CDC Influenza E-Brief September 2011 edition
Woman dressed in winter clothing smiling on a bright winter day.

2011–2012 Influenza Season Kick-Off E-Brief

Influenza (the flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. Some people, including older people, young children, and people with certain health conditions are at a higher risk for serious flu complications. The best way to prevent the flu is by getting vaccinated each year. 

September Influenza E-Brief (860kb, 4 pages)

Date
Flu Ebrief Archives
2-11 February Influenza E-Brief (408kb, 4 pages)
12-10 December Influenza E-Brief
11-10 NovemberInfluenza E-Brief (4mb, 3 pages)
12-08 December Influenza E-Brief (1.48mb, 4 pages)
09-08 September Influenza E-Brief (769kb, 2 pages)

2009-2010 H1N1 Update Archives

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