Fig 2. Distribution of strength of chikungunya virus (CHIKV)-specific neutralizing activity by age group among 61 seropositive respondents from National Health Survey, Singapore, 2010.
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.