Use of the bacterial lysate OM-85 for the primary prevention of wheezing lower respiratory illness in preschool children: a randomised, placebo-controlled trial.

Wheezing lower respiratory tract illnesses are a major health concern in preschool children.

Wheezing lower respiratory tract illnesses are a major health concern in preschool children. We report the results of the ORBEX trial which evaluated the safety and efficacy of the bacterial lysate, OM-85, in the primary prevention of wheezing lower respiratory tract illness.…