Footnote
a The six are diphtheria, measles, poliomyelitis, tetanus, tuberculosis, and whooping cough. WHO recommends that hepatitis B, which kills many more people than AIDS now kills, also be included in immunization programs.
a The six are diphtheria, measles, poliomyelitis, tetanus, tuberculosis, and whooping cough. WHO recommends that hepatitis B, which kills many more people than AIDS now kills, also be included in immunization programs.