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.
Percentages of specific cell lysis obtained with serial twofold dilutions of highly positive (closed circles), moderately positive (open circles), weakly positive (closed triangles), and negative (open triangles) horse sera as determined by the CDC assay for measuring antibodies to JEV NS1. Each datum represents an average obtained in two separate experiments (standard deviations are indicated by bars).
