What are the infection rates of household contacts of cholera patients?

Updated: Feb 03, 2021
  • Author: Sajeev Handa, MBBCh, BAO, LRCSI, LRCPI; Chief Editor: Russell W Steele, MD  more...
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Answer

Infection rates of household contacts of cholera patients range from 20-50%. Rates are lower in areas where infection is endemic and individuals, especially adults, may have preexisting vibriocidal antibodies from previous encounters with the organism. For the same reason, adults are symptomatic less frequently than children, and second infections rarely occur or are mild.


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