Which of the following has least minimum infective dose(MID) required for causing infection:
Ans. (c) Shigella dysentery "Shigella cause bacillary dysentery. Infection occur by ingestion. The minimum infective dose is low: as few as I0-I(N bacilli are capable of initiating the disease, probably because they survive gastric acidity better than other enterobacter"- Ananthanarayan.
Salmonella typhi
Campylobacter jejuni
Shigella dysentery
Vibrio cholera