<prompt> True about OPV all except:We get quick immune responseIt is a live vaccineIt is used in epidemicMaternal antibody interferes with immune response  <response>: Ans. a. We get quick immune response Ref: stylefont-size: 1.04761904761905em; font-weight: bold; font-family: Times New Roman, Times, serif; margin: 0 0 0 8px; text-indent: 0Oral polio vaccine OPV contains an attenuated weakened vaccine-virus, activating an immune response in the body. When a child is immunized with OPV, the weakened vaccine-virus replicates in the intestine for a limited period, thereby developing immunity by building up antibodies.- It is not quick immune response stylefont-size: 1.04761904761905em; font-family: Times New Roman, Times, serifenindex.htmlOPV is a live attenuated vaccine.:The oral polio vaccine OPV was developed in 1961 by Albert Sabin. Also called trivalent oral polio vaccine or Sabin vaccine. OPV consists of a mixture of live, attenuated weakened poliovirus strains of all three poliovirus types.- stylefont-size: 1.04761904761905em; font-weight: bold; font-family: Times New Roman, Times, serif; margin: 0 0 0 8px; text-indent: 0OPV is used in epidemic:As IPV does not stop transmission of the virus, oral polio vaccine is used wherever a polio outbreak epidemic needs to be contained, even in countries which rely exclusively on IPV for their routine immunization programme e.g. the polio outbreak in the Netherlands in 1992.- stylefont-size: 1.04761904761905em; font-family: Times New Roman, Times, serif InactivatedpoliovaccinelPV.aspxMaternal antibody interferes with immune response:Live OPV virus stimulates antibody formation by inducing a mild infection in the gastrointestinal tract and the blood of immunized children. The presence of circulating maternal antibodies may modify the infection created by the attenuated vaccine virus and reduce both the serum and gut response to OPV immunization. While circulating maternal antibodies may suppress the infants serum antibody response, only very high maternal antibody titers can prevent the intestinal phase of successful poliomyelitis immunization. Even those children who do not develop serum antibodies maybe protected if they have had the vaccine intestinal infection.- 