Figure 2.
Trends in incidence of invasive H. influenzae serotype a disease, by age group—United States (A) and Alaska (B), 2008–2017.
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.