Centers for Disease Control

Update on the epidemiology and clinical features of Novel H1N1

COCA-Provider_call_Jul09

Influenza Division

  • Joseph Bresee, MD, Chief, Epidemiology and Prevention Branch
  • Influenza Division, NCIRD, Centers for Diseases Control and Prevention
  • For Official Use Only
  • Internal Use Only
  • Sensitive But Unclassified
  • July15, 2009

Increased swine influenza detection in humans 2005-9

Triple-Reassortant Swine Influenza A (H1) in Humans in the United States, 2005–2009

Shinde, et al.
N Engl J Med. 2009 Jun 18;360(25):2616-25

• January 2007 –“Novel influenza A” made a Nationally Notifiable Disease but CSTE –part of pandemic preparedness efforts
• RT-PCR for influenza capabilities developed by public health labs in U.S.
• Increasing numbers of swine influenza infections in humans being detected from improved surveillance
• Increasing efforts at states, CDC, and USDA to investigate human cases of swine influenza

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