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Description
English: A table showing the World Health Organization (WHO) influenza pandemic phases. This was cropped from file:FedFluPandemicResponse.png. The original is in the public domain, per the pandemicflu.gov website, and this crop is also released to the public domain. They request that you give attribution.
Date
Source http://www.pandemicflu.gov/plan/federal/fedresponsestages.html
Author U.S. Department of Health & Human Services, earthsound
Other versions File:FedFluPandemicResponse.png


As a wikitable:

WHO pandemic alert phases
Inter-pandemic period
1 No new influenza virus subtypes have been detected in humans. An influenza virus subtype that has caused human infection may be present in animals. If present in animals, the risk of human disease is considered to be low.
2 Now new influenza virus subtypes have been detected in humans. However, a circulating animal influenza virus subtype poses a substantial risk of human disease.
Pandemic alert period
3 Human infection(s) with a new subtype, but no human-to-human spread, or at most rare instances of spread to a close contact.
4 Small cluster(s) with limited human-to-human transmission but spread is highly localized, suggesting that the virus is not well adapted to humans.
5 Larger cluster(s) but human-to-human spread still localized, suggesting that the virus is becoming increasingly better adapted to humans, but may not yet be fully transmissible (substantial pandemic risk).
Pandemic period
6 Pandemic phase: increased and sustained transmission in general population.

This image is a derivative of a public domain work created by the U.S. Department of Health & Human Services.


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Public domain This image is a work of the United States Department of Health and Human Services, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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Table describing WHO pandemic phases

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28 April 2009

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13,513 byte

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661 pixel

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332 pixel

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346cf2a90ef0a8a57bc32492a620d2538fa07e89

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Date/TimeThumbnailDimensionsUserComment
current18:02, 28 April 2009Thumbnail for version as of 18:02, 28 April 2009332 × 661 (13 KB)Earthsoundre-cropped to remove black line along left edge
17:58, 28 April 2009Thumbnail for version as of 17:58, 28 April 2009333 × 661 (13 KB)Earthsound{{Information |Description={{en|1=A table showing the World Health Organization (WHO) influenza pandemic phases. This was cropped from file:FedFluPandemicResponse.png. The original is in the public domain, per the pandemicflu.gov website, and this cr

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