Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2013 Aug 1;369(5):401-4.
doi: 10.1056/NEJMp1307752. Epub 2013 Jul 3.

Influenza A (H7N9) and the importance of digital epidemiology

Marcel Salathé  1 , Clark C Freifeld, Sumiko R Mekaru, Anna F Tomasulo, John S Brownstein
Affiliations

Influenza A (H7N9) and the importance of digital epidemiology

Marcel Salathé et al. N Engl J Med. .
No abstract available

PubMed Disclaimer

Figures

None
Social Media Activity, News Volume, and Reports of Cases and Deaths Associated with H7N9 Influenza, March 31 through June 1, 2013.
Panel A shows daily counts of tweets containing the keyword “H7N9,” Chinese and English news reports (from the Journal’s and HealthMap’s H7N9 tracking system), and new reports of cases and deaths. Panel B shows the medical record of a patient with H7N9 influenza, posted on the Chinese microblogging website Sina Weibo on April 3, 2013. The asterisk in Panel A indicates the date when the patient record shown in Panel B was posted on Sina Weibo.
See this image and copyright information in PMC

References

    1. Uyeki TM, Cox NJ. Global concerns regarding novel influenza A (H7N9) virus infections. N Engl J Med. 2013;368:1862–4. - PMC - PubMed
    1. Xu C, Havers F, Wang L, et al. Monitoring avian influenza A(H7N9) virus through national influenza-like illness surveillance, China. Centers for Disease Control and Prevention; Atlanta: 2013. ( http://wwwnc.cdc.gov/eid/article/19/8/13-0662_article.htm) - PMC - PubMed
    1. Brownstein JS, Freifeld CC, Madoff LC. Digital disease detection — harnessing the Web for public health surveillance. N Engl J Med. 2009;360:2153–7. - PMC - PubMed
    1. Chan EH, Brewer TF, Madoff LC, et al. Global capacity for emerging infectious disease detection. Proc Natl Acad Sci U S A. 2010;107:21701–6. - PMC - PubMed
    1. Salathé M, Khandelwal S. Assessing vaccination sentiments with online social media: implications for infectious disease dynamics and control. PLoS Comput Biol. 2011;7(10):e1002199. - PMC - PubMed