<prompt> Which of the following statements regarding live vaccines is falseTwo live vaccines cannot be administered simultaneouslyBooster doses are not required when live vaccines are administeredSingle dose gives lfe long immunityLive vaccine contains both major and minor antigens  <response>: When 2 live vaccines are required they should be given either simultaneously at different sites or with an interval of at least 3 weeks.In case of live vaccines,protection is generally achieved with a single dose of vaccine refer pgno:103 park 23 rd edition 