Contact: Julie Robert
McGill University Health Centre
Caption: This is an immunofluorescence image of Cryptosporidium parvum oocysts.
Credit: Wikimedia Commons
Usage Restrictions: This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the US federal government, all EPA images are in the public domain. http://en.wikipedia.org/wiki/File:Cryptosporidium_parvum_01.jpg
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