Influenza A (H1N1) virus, 2009--online monitoring

N Engl J Med. 2009 May 21;360(21):2156. doi: 10.1056/NEJMp0904012. Epub 2009 May 7.
No abstract available

MeSH terms

  • Central America / epidemiology
  • Disease Outbreaks*
  • Global Health
  • Humans
  • Influenza A Virus, H1N1 Subtype*
  • Influenza, Human / epidemiology*
  • Influenza, Human / transmission
  • Information Storage and Retrieval
  • Internet*
  • Mexico / epidemiology
  • Population Surveillance / methods*
  • United States / epidemiology