The mechanisms by which cholera might be maintained during the intervals between peak cholera seasons is:
Correct Answer: Continuous transmission in man.
Description: Ans. is 'd' i.e. Continuous transmission in man. According to Park, three explanations have been offered for the mechanism by which cholera is maintained in the inter-epidemic period.existence of long term carriersexistence of diminished but continuous transmission in mild and asymptomatic cases.persistence of the organism in a free living, perhaps altered form in the environment.Out of these 3, Park further states that, it is the continuous transmission, involving mild and asymptomatic cases, which is the most important mechanism in sustaining cholera, during the interepidemic period.Long term carriers are rare.No animal reservoirs of cholera are known. V. cholera is pathogenic only in man.
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