Where in the US are there indigenous strains of cholera?

Updated: Feb 03, 2021
  • Author: Sajeev Handa, MBBCh, BAO, LRCSI, LRCPI; Chief Editor: Russell W Steele, MD  more...
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A unique strain of V cholerae O1 (biotype El Tor, serotype Inaba), which is related closely to, but distinguishable from, the strain of the seventh pandemic was recognized in Louisiana and along the Gulf of Mexico in 1973. Since then, this strain has become indigenous to the Gulf coast, although its environmental reservoirs and ecology remain unclear. Of note, none of the toxigenic V cholerae strains associated with the US Gulf Coast (01, 0141, and 075) have caused more than sporadic cases and small outbreaks of diarrhea in the United States. [6]

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