Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants With Influenza-Like Symptoms

Multicenter Randomized Active-controlled Study to Investigate Efficacy & Safety of IV FCM in Pediatric Patients With IDA

Safety, Tolerability, and Pharmacokinetics of MK-1654 in Infants (MK-1654-002)

Study to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Vaccine Given With Prevnar 13 in Healthy Infants