the global epidemiology of infectious diseases
... 2.10 Estimated number of pertussis deaths, by age, developing
countries, developed countries, and worldwide, 1990 ..... 47
2.11 Regional and global levels of coverage with three doses of
diphtheria-pertussis-tetanus (DPT) vaccine among children
by age 12 months for 1985, 1990 and 1995 .............. ...