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. Author manuscript; available in PMC: 2010 Nov 23.
Published in final edited form as: Vaccine. 2009 Sep 26;27(50):7110–7115. doi: 10.1016/j.vaccine.2009.09.056

TABLE 2.

Monthly Distribution of Influenza Cases, 2000-2008

Influenza Season October November December January February March April May
2007-2008 0.44% 1.01% 3.34% 13.21% 45.49% 32.54% 3.97% 0.00%
2006-2007 1.23% 2.53% 10.35% 13.08% 38.14% 27.07% 6.29% 1.30%
2005-2006 0.34% 0.82% 11.72% 16.27% 25.15% 35.76% 8.32% 1.62%
2004-2005 0.41% 1.12% 8.97% 23.98% 40.67% 21.81% 2.68% 0.36%
2003-2004 2.87% 18.99% 69.44% 7.22% 0.99% 0.29% 0.18% 0.03%
2002-2003 0.07% 0.40% 4.87% 14.81% 44.46% 30.82% 3.91% 0.65%
2001-2002 0.23% 0.66% 4.18% 19.40% 42.26% 27.07% 5.14% 1.06%
200-2001 23.23% 22.87% 27.80% 17.78% 7.11% 1.16% 0.05% 0.00%