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.
Follow-up of baseline susceptibles by outcome at 12 months and 18 months, Bangladesh, 2003–2005. “HEV+” denotes individuals who tested seropositive for antibodies to human E virus (HEV) by the WRAIR assay and, likewise, “HEV–” denotes individuals who tested seronegative. Gray-shaded boxes highlight the seroconversion events used in the incidence density calculations. WRAIR, Walter Reed Army Institute of Research.
