Respiratory Events Among Premature Infants

Inclusion Criteria: * Written informed consent from parent/guardian to participate in study * Male or female preterm infants 32-≤36 wGA * Infant is ≤ 6month old at the time of enrollment * Parent/guardian has the ability and willingness to follow study protocol (during the first RSV season) as required by the protocol Exclusion Criteria: * Receipt of any RSV prophylactic agent: palivizumab, IGIV, or motavizumab at any time prior to enrollment * Participation in trials of investigational RSV prophylaxis or RSV therapeutic agents * Presence of BPD or CHD (other than surgically treated PDA, ASD or VSD) * Condition that limits life span to 6 months or less from the date of enrollment