RESULTS	Among previously unvaccinated children , wheezing within 42 days after the administration of dose 1 was more common with live attenuated vaccine than with inactivated vaccine , primarily among children 6 to 11 months of age ; in this age group , 12 more episodes of wheezing were noted within 42 days after receipt of dose 1 among recipients of live attenuated vaccine ( 3.8 % ) than among recipients of inactivated vaccine ( 2.1 % , P = 0.076 ) .\