A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

A Study to Assess the Safety, Tolerability, and Immunogenicity of 3 Lots of a Multivalent Pneumococcal Conjugate Vaccine Administered to Adults

A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants

A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

A Study of COVID-19 Vaccine(s) in Children and Adults

A Study to Learn About the Study Medicine Zavicefta After it is Released Into the Markets in Korea

A Study to Evaluate 20vPnC in Healthy Chinese Infants

A Study to Learn About a COVID-19 Vaccine in Healthy Adults 18 Through 64 Years of Age