Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2010 Jul 15;51(2):163–170. doi: 10.1086/653529

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2010 by the Infectious Diseases Society of America

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

PMC Copyright notice

Agreement between upper and lower respiratory tract reverse-transcription polymerase chain reaction results. Of 283 samples simultaneously obtained from the upper (nasopharyngeal and oropharyngeal [NP]) and lower (bronchoalveolar lavage [BAL]) respiratory tract, 184 harbored no virus and 99 were positive for at least 1 respiratory virus at at least 1 site. The total number of identified respiratory viruses was 107. This figure shows their detailed distribution.