Origem: Wikipédia, a enciclopédia livre.
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ID#: 1841 Description: Colorized transmission electron micrograph of Avian influenza A H5N1 viruses (seen in gold) grown in MDCK cells (seen in green).
Avian influenza A viruses do not usually infect humans; however, several instances of human infections and outbreaks have been reported since 1997. When such infections occur, public health authorities monitor these situations closely.
Content Providers(s): CDC/ Courtesy of Cynthia Goldsmith, Jacqueline Katz, and Sharif R. Zaki Creation Date: 1997
Photo Credit: Cynthia Goldsmith
Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.
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http://phil.cdc.gov/PHIL_Images/02122002/00078/PHIL_1841_lores.jpg
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