Researchers are exploring whether these ubiquitous fluorinated molecules might worsen infections or hamper vaccine effectiveness.
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Communicated by Stephen F. Heinemann, Salk Institute for Biological Studies, San Diego, CA, January 15, 2008 (received for review December 5, 2006)
Communicated by Stephen F. Heinemann, Salk Institute for Biological Studies, San Diego, CA, January 15, 2008 (received for review December 5, 2006)
Author contributions: B.A.G. designed research, performed research, analyzed data, and wrote the paper.
The author declares no conflict of interest.
This article contains supporting information online at www.pnas.org/cgi/content/full/0711986105/DC1.
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