TABLE 1-2 Vaccination Coverage Levels Among Children Aged 19–35 Months, by Selected Vaccines (1995–1999a)
	Vaccine/Dose 1995 1996 1997 1998 1999c % (95% CIb) % (95% CI) % (95% CI) % (95% CI) % (95% CI) DTPd   >= 3 Doses 94.7 (± 0.6) 95.0 (± 0.4) 95.5 (± 0.4) 95.6 (± 0.5) 95.9 (± 0.4)   >= 4 Doses 78.5 (± 1.0) 81.1 (± 0.7) 81.5 (± 0.7) 83.9 (± 0.8) 84.0 (± 0.8) Poliovirus   >= 3 Doses 87.9 (± 0.8) 91.1 (± 0.5) 90.8 (± 0.5) 90.8 (± 0.7) 90.0 (± 0.6) Haemophilus influenzae Type b (Hib)   >= 3 Doses 91.7 (± 0.6) 91.7 (± 0.5) 92.7 (± 0.5) 93.4 (± 0.6) 93.7 (± 0.5) Measle-Containing Vaccine (MCV)   >= 1 Doses 89.9 (± 0.7) 90.7 (± 0.5) 90.5 (± 0.5) 92.1 (± 0.6) 92.0 (± 0.6) Hepatitis B   >= 3 Doses 68.0 (± 1.0) 81.8 (± 0.7) 83.7 (± 0.6) 87.0 (± 0.7) 87.9 (± 0.7) Varicella Vaccine   1 Dose N/Ae 16.0 (± 0.7) 25.9 (± 0.7) 43.2 (± 1.0) 52.1 (± 1.0) Combined Series   4 DTP/3 Polio/1 MCVf 76.2 (± 1.0) 78.4 (± 0.8) 77.9 (± 0.7) 80.6 (± 0.9) 86.2 (± 0.7)   4 DTP/3 Polio/1 MCV/3 Hibg 74.2 (± 1.0) 76.5 (± 0.8) 76.2 (± 0.8) 79.2 (± 0.9) 78.8 (± 0.9)
a Children were born during February 1992–May 1994 (1995 survey), February 1993–May 1995 (1996 survey), February 1994–May 1996 (1997 survey), and February 1995–May 1997 (1988 survey). b CI = confidence interval. c First two quarters of 1999 and last two quarters of 1998. Data can be found at http://www.cdc.gov/nip/. d Diphtheria and tetanus toxoids and pertussis vaccine/diphtheria and tetanus toxoids. e Not available; data collection for varicella began in July 1996. f Four or more doses of DTP/DT, three or more doses of poliovirus vaccine, one or more doses of MCV. g Four or more doses of DTP/DT, three or more doses of poliovirus vaccine, one or more doses of MCV, and three or more doses of Hib. SOURCE: Information provided by CDC.