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.
Antibody titers against influenza A(H7N9) virus measured by hemagglutination inhibition (HI) assay as given in Yang et al's Supplementary Table 1B [1], and the fitted model.The crosses correspond to patients with H7N9 who subsequently died, and the circles correspond to those who survived. The solid and dotted lines correspond to the fitted model for patients with H7N9 who died and survived, respectively.
