Fig 1. Overview of study procedures.
YFV, Yellow Fever vaccine; NAb, neutralizing antibodies; KT, kynurenine/tryptophan; CBC, complete blood count; HIV, human immunodeficiency virus; AE, adverse events
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.