In a plague epidemic all of the following are done to control it, EXCEPT:: (A) Isolation of contacts, (B) Vaccination of the susceptibles, (C) Surveillance, (D) Chemoprophylaxis with tetracycline
Answer is B. Ans. is 'b' ie Vaccination of the susceptibles Vaccination is used only for prevention and not for control of an outbreak.Immunity with vaccination develops in 5 to 7 days, therefor to be effective, vaccination should be carried out at least a week before an anticipated outbreak.Steps taken for controlling plague epidemicEarly diagnosisNotificationIsolation of casesTreatment with streptomycinDisinfection of sputum, discharges and articles soiled by the patientControl of FleasChemoprophylaxis with tetracycline Surveillance.9) Health educationAlso remember DOC for treatment of plague > Streptomycin* DOC for Chemoprophylaxis > Tetracycline*