EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe Disease

Phoenix Children's Hospital, Phoenix, Arizona, United States

Children's Hospital Los Angeles, Los Angeles, California, United States

Kaiser Permanente, Los Angeles, California, United States

UCLA David Geffen School of Medicine, Los Angeles, California, United States

UCLA, Los Angeles, California, United States

Children's National Medical Center, Washington D.C., District of Columbia, United States

Life Spring Research Foundation, Miami, Florida, United States

Children's Healthcare of Atlanta - Arthur M. Blank Hospital, Atlanta, Georgia, United States

Rophe Adult and Pediatric Medicine/SKYCRNG, Union City, Georgia, United States

Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, United States

University of Chicago Medical Center, Chicago, Illinois, United States

Louisiana State University Health Sciences Shreveport, Shreveport, Louisiana, United States

Johns Hopkins Hospital, Baltimore, Maryland, United States

Boston Medical Center, Boston, Massachusetts, United States

University of Massachusetts Chan Medical School, Worcester, Massachusetts, United States

Childrens Hospitals and Clinics of Minnesota, Minneapolis, Minnesota, United States

SKY Integrative Medical Center/SKYCRNG, Ridgeland, Mississippi, United States

St. Louis Children's Hospital, St Louis, Missouri, United States

Washington University School of Medicine, St Louis, Missouri, United States

Children's Hospital & Medical Center, Omaha, Nebraska, United States

University of New Mexico Hospital, COVID-19 Research Clinic, Albuquerque, New Mexico, United States

University of New Mexico Clinical and Translational Science Center, Albuquerque, New Mexico, United States

Suny University at Buffalo, Buffalo, New York, United States

Advanced Specialty Care, Commack, New York, United States

Stony Brook Medicine Clinical Research Center, East Setauket, New York, United States

Cohen Children's Medical Center, New Hyde Park, New York, United States

Columbia University Irving Medical Center, New York, New York, United States

Stony Brook University, Stony Brook, New York, United States

Upstate Health Care Center, Syracuse, New York, United States

Crouse Physicians Office Building, Syracuse, New York, United States

SUNY Upstate Medical University, Syracuse, New York, United States

Upstate Golisano Children's Hospital, Syracuse, New York, United States

Clinical and Translational Research Center, Chapel Hill, North Carolina, United States

investigational Drug Services Pharmacy, UNC Hospitals, Chapel Hill, North Carolina, United States

UNC Children's Hospital, Chapel Hill, North Carolina, United States

UNC Global Clinical Research North, Chapel Hill, North Carolina, United States

University of North Carolina Medical Center, Chapel Hill, North Carolina, United States

UNC Children's Raleigh, Raleigh, North Carolina, United States

University Hospitals Cleveland Medical Center, Cleveland, Ohio, United States

UH Landerbrook Health Center, Mayfield Heights, Ohio, United States

UH Parma Medical Center, Parma, Ohio, United States

Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States

Rhode Island Hospital, Providence, Rhode Island, United States

The Miriam Hospital-Clinical Trials, Providence, Rhode Island, United States

Avera McKennan Hospital & University Health Center, Sioux Falls, South Dakota, United States

Avera Research Institute - Sioux Falls, Sioux Falls, South Dakota, United States

Texas Children's Hospital, Houston, Texas, United States

Biopharma Informatic, LLC, McAllen, Texas, United States

Consano Clinical Research, LLC, Shavano Park, Texas, United States

University of Utah, Salt Lake City, Utah, United States

МHAT "Sveti Ivan Rilski" Gorna Oryahovitsa, Gorna Oryahovitsa, Bulgaria

"Specialized Hospital for Active Treatment of Pneumo-Physiatric Diseases Dr. Dimitar Gramatikov -, Rousse, Bulgaria

Medical Center-1-Sevlievo EOOD, Sevlievo, Bulgaria

DCC "Alexandrovska", Sofia, Bulgaria

Specialized Hospital for Active Treatment of Pneumo-Phthisiatric Diseases Vratsa EOOD, Vratsa, Bulgaria

Tokyo Metropolitan Children's Medical Center, Fuchū, Tokyo, Japan

Osaka City General Hospital, Osaka, Japan

Instituto Nacional de Pediatria, Mexico City, Mexico City, Mexico

Hospital Infantil de Mexico Federico Gomez, Mexico City, Mexico City, Mexico

JM Research SC, Cuernavaca, Morelos, Mexico

Fundación Santos y De la Garza Evia, Monterrey, Nuevo León, Mexico

Eukarya Pharmasite S.C., Monterrey, Nuevo León, Mexico

Unidad de Atención Médica e Investigación en Salud, Mérida, Yucatán, Mexico

Kohler & Milstein Research S.A. De C.V., Mérida, Yucatán, Mexico

Centro Multidisciplinario para el Desarrollo Especializado de la Investigacion Clinica en Yucatán S., Mérida, Yucatán, Mexico

Centenario Hospital Miguel Hidalgo, Aguascalientes, Mexico

Arké SMO S.A de C.V, Veracruz, Mexico

Sociedad de Metabolismo y Corazon S.C., Veracruz, Mexico

San Miguel Medical, Trujillo Alto, Puerto Rico

Worthwhile Clinical Trials, Benoni, Gauteng, South Africa

CRISMO Research Centre, Germiston, Gauteng, South Africa

Botho Ke Bontle Health Services, Pretoria, Gauteng, South Africa

St. George's Hospital, London, England, United Kingdom