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.
Scatter plots showing the relationship between duration of shedding (days) and peak viral density (log 10 RNA copies) for individuals aged a) less than 1 year old, b) 1 to 4 years, c) 5 to 14 years, d) 15 to 39 years, and e) 40 years and above.
