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Volume 20, Number 10—October 2014
Dispatch

Differences in Influenza Seasonality by Latitude, Northern India

Parvaiz A. Koul1Comments to Author , Shobha Broor12, Siddhartha Saha, John Barnes, Catherine Smith, Michael Shaw, Mandeep Chadha, and Renu B. Lal
Author affiliations: Sheri-Kashmir Institute of Medical Sciences, Srinagar, India (P.A. Koul); All India Institute of Medical Sciences, New Delhi, India (S. Broor); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S. Saha, J. Barnes, C. Smith, M. Shaw, R.B. Lal); National Institute of Virology, Pune, India (M. Chadha)

Main Article

Figure 1

Weekly trends and proportion of annual numbers of positive influenza cases, by epidemiologic week and influenza type, Srinagar (A) and New Delhi (B), India, 2011–2012. Clear seasonal peaks are seen in January–March (weeks 1–16) for Srinagar and in July and September (weeks 28–40) for New Delhi.

Figure 1. Weekly trends and proportion of annual numbers of positive influenza cases, by epidemiologic week and influenza type, Srinagar (A) and New Delhi (B), India, 2011–2012. Clear seasonal peaks are seen in January–March (weeks 1–16) for Srinagar and in July and September (weeks 28–40) for New Delhi.

Main Article

1These authors contributed equally to this article.

2Current affiliation: INCLEN Foundation, New Delhi, India.

Page created: September 22, 2014
Page updated: September 22, 2014
Page reviewed: September 22, 2014
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.
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