A Long-term Follow-up Study to Evaluate the Impact of Lumicitabine on the Incidence of Asthma and/or Wheezing in Infants and Children With a History of Respiratory Syncytial Virus Infection

Inclusion Criteria: * Male or female infants and children who were previously randomized in study 64041575RSV2004 for the treatment of respiratory syncytial virus (RSV) infection and who completed the planned course of the study drug and the last study-related visit of study 64041575RSV2004 * The participant's legally acceptable representative must sign an informed consent form (ICF) indicating that he or she understands the purpose of, and procedures required for, the study and is willing for the participant to participate in the study Exclusion Criteria: * The participants legally acceptable representative, i.e, parent/legal guardian/caregiver, is not able to maintain reliable communication with the investigator * Any condition for which, in the opinion of the investigator, participation would not be in the best interest of the participant (example, compromise the well-being) or that could prevent, limit, or confound the protocol-specified assessments