Figure 1. Temporal trend in reported pertussis cases in Brazil, 2001-2025. Panel A shows the annual number of reported cases, and Panel B shows the annual rate per 100,000 population. Population denominators were obtained from IBGE/SIDRA.
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.