SARS-COV-2 Infection

A Study to Learn About BNT162b2 (LP.8.1)-Adapted Vaccine Against SARS-CoV-2 in Children 5 Through 11 Years of Age That Are Considered at Higher Risk of Severe COVID-19

Olfactory Training as a Treatment for Olfactory Dysfunction Post COVID-19

Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19

Cellular Senescence and COVID-19 Long-Hauler Syndrome

Outpatient Treatment With Anti-Coronavirus Immunoglobulin

Remote Assessment of Outpatient With Severe Acute Respiratory Syndrome (SARS-CoV-2)

Cardiovascular Assessment 5 Years After MIS-C

The ACDC Study Assessing Cognitive Deterioration in COVID-19

Safety and Immunogenicity of NVX-CoV2705

A Study to Learn About COVID-19 RNA-Based Variant-Adapted Vaccine Candidate(s) Against SARS-CoV-2 in Participants Ages 12 Through 64 Years Considered at Higher Risk of Severe COVID-19, and Participants Ages ≥65 Years

Evaluation of Concordance Between Exhaled Air Test (eBAM-CoV) and RT-PCR to Detect SARS-CoV-2

Evaluation of the Diagnostic Performance of the TestNPass DM-DIV for SARS-CoV-2 Using a Nasopharyngeal Sample

Randomized Double-Blind Placebo-Controlled Trial EValuating Baricitinib on PERSistent NEurologic and Cardiopulmonary Symptoms of Long COVID

Therapeutic Use of Convalescent Plasma in the Treatment of Patients With Moderate to Severe COVID-19

Efficacy and Safety of NVX-CoV2705

A Study to Learn About New COVD-19 RNA Vaccine Candidates for New Variants in Healthy Individuals

COVID-19 Omicron BA.5 Subvariant Dose Finding Infection Study

Impact of a Monoamine Oxidase Inhibitor on the Phenotype of Blood Mononucleated Cells in Patients With COVID-19

Kidney Precision Medicine Project (KPMP) - COVID-19 Protocol

Efficacy Study of COVID-19 mRNA Vaccine in Regions With SARS-CoV-2 Variants of Concern