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 Oct 26;172(11):1213–1229. doi: 10.1093/aje/kwq320

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

American Journal of Epidemiology © The Author 2010. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Figure 4. — Seasonal variation in reported poliovirus (striped bars) in New England during 1942–1951 and in isolation of rotavirus (dashed line) in the United States during 1991–1997. Data were obtained from Serfling and Sherman (36) and Török et al. (49).