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.
Antibodies to Pf exported protein 1 (PfEXP1) (A) and Pf merozoite surface protein 1 (PfMSP1) (B) by ELISA prior to controlled human malaria infection (CHMI). For each group, results are paired by subjects who were not infected (•) or infected (○) after CHMI.
