The mechanism by which cholera might be maintained during the intervals between peak cholera seasons is -: (A) Carrier status in animals, (B) Carrier status in man, (C) An environmental reservoir, (D) Continuous transmission in man
Answer is D. <p> The existance of diminished but continuous transmission involving asymptomatic cases. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:229. <\p>