Which one of these factors do not lead to primary vaccine failure? Select one: a. The presence of maternal antibodies O
Posted: Wed Dec 22, 2021 10:38 am
Which one of these factors do not lead to primary vaccine failure? Select one: a. The presence of maternal antibodies O b. Incorrect storage O C. Co-existing disease O d. The age of the vaccine O e. Route of administration Of. Poor hygiene of the recipient