“…The effectiveness of vaccine in this group is consistent with reports of seroconversion fol¬ lowing inactivated measles vaccine in 90 to 100 percent of susceptible children (5,(10)(11)(12). The effectiveness in preventing regular measles and mild measles is almost identical with the find¬ ings of the Cooperative Measles Vaccine Field Trial conducted by the Communicable Disease Center (9).…”