Published in Medical Letter on the CDC and FDA, September 25th, 1995
Researchers suggested possible causes for the unexplained Missouri outbreak might include infection with a novel A. americanum-transmitted pathogen and an atypical toxic or immunologic reaction to tick-associated proteins.
CDC's Grant L. Campbell and colleagues investigated 45 Missouri outpatients with ring-shaped rashes meeting a surveillance case definition for erythema migrans and with...
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