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.
Association between tympanic temperature and molecular influenza A viral shedding by reverse-transcription polymerase chain reaction by day since acute respiratory illness (ARI) onset for children (plus signs) and adults (circles). Linear regression lines are plotted where there are ⩾3 points. ARI onset is defined as at the first day with ⩾2 of the 7 signs or symptoms listed in Table 1. NTS, nose and throat swab specimen.
