Figure 1.
Life table approach of cumulative proportional probability of diphtheria-tetanus-pertussis 3 vaccination for nationality after recommended age of vaccination based on immunization schedule
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.