Table 2.

Reports to the Vaccine Adverse Event Reporting System (VAERS) following influenza A (H1N1) 2009 monovalent vaccine and 2009–2010 seasonal influenza vaccines among adults aged 17–44 years, by Sex, United States, August 1, 2009-December 31, 2010^a.

Influenza vaccine administered	Total reports	Age in years median	Onset interval in days median (range)	Population vaccinated	Reporting Rate per100,000 doses administered	Reporting Rate Ratio Military to Civilian population (95% CI)	Reporting Rate Ratio Women to Men by population (95% CI)
US population: Men
2009-H1N1 MIV	917	32	1 (0, 306)	8,592,313 (15.1)	10.67	Ref	Ref
Seasonal:
IIV3	489	33	0 (0, 306)	13,954,883 (24.6)	3.50	Ref	Ref
LAIV3	56	27.5	1 (0, 39)	1,331,303 (2.3)	4.21	Ref	Ref
U.S. active military population: Men
2009-H1N1 MIV	102	28	0 (0, 84)	1,494,377 (74.4)	6.83	0.64 (0.44, 0.83)	Ref
Seasonal:
IIV3	29	32	1 (0, 14)	672,800 (33.5)	4.31	1.23 (0.87, 1.59)	Ref
LAIV3	42	27	7 (0, 211)	976,768 (48.6)	4.30	1.02 (0.73, 1.32)	Ref
US population: Women
2009-H1N1 MIV	3169	32	0 (0, 316)	10,570,722 (18.4)	29.98	Ref	2.80 (2.76, 2.83)
Seasonal:
IIV3	1630	33	0 (0, 394)	17,983,509 (31.4)	9.06	Ref	2.59 (2.54, 2.64)
LAIV3	93	31	0 (0, 178)	1,064,076 (1.9)	8.74	Ref	2.08 (1.88, 2.27)
U.S. active military population: Women
2009-H1N1 MIV	73	30	0 (0, 24)	263,422 (69.5)	27.71	0.93 (0.70, 1.15)	3.96 (3.74, 4.19)
Seasonal:
IIV3	12	27	0 (0, 261)	138,606 (36.6)	8.66	0.96 (0.39,1.52)	2.01 (1.46, 2.56)
LAIV3	22	27.5	1 (0, 24)	161,439 (42.6)	13.63	1.56 (1.14,1.97)	3.10 (2.83, 3.37)

Note: the comparisons for the last column are women vs men within the military population and women vs. men in the civilian population.

^aVaccinated by July 31, 2010.