The Prevent Severe COVID-19 (PRESECO) Study

Frontier Clinical Research, LLC, Smithfield

Frontier Clinical Research, LLC, Scottdale

Thomas Jefferson University Hospital, Philadelphia

Frontier Clinical Research, Kingwood

Best Quality Research,Inc., Hialeah

Elixia Clinical Research Collaborative, Hollywood

Biore'Search Institute Llc, Pembroke Pines

Luminous Clinical Research - South Florida Urgent Care, Pembroke Pines

Homestead Associates In Research, Miami

Verus Clinical Research Corporation, Miami

Quality Professional HealthCare, Miami

Continental Clinical Research, LLC, Miami

Global Life Research Network, Llc, Miami

Sanitas Research, LLC, Miami

US Associates in Research, LLC, Miami

Xera Med Research, Boca Raton

Alliance Clinical Research of Tampa, Tampa

Synergy Healthcare, Bradenton

Cahaba Research, Inc., Pelham

New Phase Research & Development, Knoxville

B.G Clinical Research Center, LLC, Little Rock

Next Level Urgent Care, Houston

Clinical Trial Network, Houston

Absolute Clinical Research, Phoenix

University of Massachusettts Medical School, Worcester

Centro de Pesquisas Clínicas de Natal, Natal

Hospital de Clinicas de Porto Alegre, Porto Alegre

LMK Servicos Medicos S/S, Porto Alegre

Nucleo de Pesquisa Clinica do Rio Grande do Sul, Porto Alegre

Pesquisare Saude S/S LTDA, Santo André

Centro Medico Mazzei, São Paulo

Hospital Santa Paula, São Paulo

Invesclinic Mx, Irapuato

Kohler & Milstein Research S.A. de C.V, Yucatán

JM Research SC, Cuernavaca

Tecsi S.C., Monterrey

Panamerican Clinical Research Mexico, S.A. de C. V., Juriquilla

Centro Medico Espiritu Santo, Tequisquiapan