Volume 18, Number 5—May 2012
Research
Transmission Dynamics, Border Entry Screening, and School Holidays during the 2009 Influenza A (H1N1) Pandemic, China
Figure 3
![Sentinel surveillance for influenza-like illness (ILI) and virologic surveillance, People’s Republic of China, 2007–2010, A) Weekly percentage of visits for ILI, sentinel ILI surveillance, People’s Republic of China, 2007–08 through 2009–10. B) Number and percentage of specimens positive for influenza, by week of specimen collection during sentinel ILI surveillance in China, May–November 2009.](/eid/images/11-0356-F3.jpg)
Figure 3. . Sentinel surveillance for influenza-like illness (ILI) and virologic surveillance, People’s Republic of China, 2007–2010, A) Weekly percentage of visits for ILI, sentinel ILI surveillance, People’s Republic of China, 2007–08 through 2009–10. B) Number and percentage of specimens positive for influenza, by week of specimen collection during sentinel ILI surveillance in China, May–November 2009.
1These authors contributed equally to this article.
Page created: April 17, 2012
Page updated: April 17, 2012
Page reviewed: April 17, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.