TABLE 2 Reports to VAERS, by Year and Level of Seriousness, for Pertussis-Containing Vaccines Administered to Infants Ages Younger Than One Year of Age in the United States* Year Level of Seriousness and Vaccine Less Serious Serious Death DTaP DTP DTPH Total DTaP DTP DTPH Total DTaP DTP DTPH Total 1995 7 818 827 1652 2 185 147 334 0 35 50 85 1996 39 453 1009 1501 17 122 172 311 4 27 51 82 1997 344 186 474 1004 99 57 77 233 32 17 28 77 1998 269 25 63 357 63 12 18 93 37 2 2 41 * Reports to VAERS represent temporal, but not necessarily causal, associations between vaccinations and adverse events. Data from first half of 1998 only.

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