Figure 6.
The proportion of IgG seropositivity in ( A) Nasal-oropharyngeal (NP/OP) swab, reverse transcription polymerase chain reaction (RT-PCR) positives and negatives ( B) Asymptomatic and symptomatic infections.
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.