A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older

A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate to Severe Chronic Obstructive Pulmonary Disease

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

MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)

A Study of the Medicine Called Abrocitinib in Children 6 to Less Than 12 Years of Age With Moderate-to-Severe Eczema

A Long-term Study of the Medicine Called Abrocitinib in Children Aged 2 Years and Older With Moderate to Severe Eczema

A Study of PF-08653945 and PF-08653944 in Adults With Overweight or Obesity (SOLIS-1)

A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose

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

FIH Study to Evaluate the Tolerability of PF-07832837 in Healthy Adults and Patients