Whole Blood Collection From Individuals in the Convalescent Phase of SARS-CoV-2 Infection

Inclusion Criteria: Patients who have previously been diagnosed with COVID-19 but are now asymptomatic \>14 days and a matched number of healthy controls: 1. Consent: Subject able to provide voluntary written consent before performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care. 2. SARS-CoV-2 Testing Status: 1. Experimental Population: Subject has had positive SARS-CoV-2 verified by clinical laboratory OR 2. Control Population: Subject without testing or negative SARS-CoV-2 testing 3. Complete resolution and current absence of clinical symptoms Symptoms Defined as: Fever, Dry cough, Fatigue, Difficulty breathing, Sore throat, Diarrhea, Rhinorrhea (runny nose), or new aches/pains. 4. Age: Greater or equal to 18 years of age. a. Subject must be able to provide voluntary written consent Exclusion Criteria: 1. Ongoing symptoms of COVID19 due to SARS-CoV-2 infection a. Symptoms Defined as: Fever, Dry cough, Fatigue, Difficulty breathing, Sore throat, Diarrhea, Rhinorrhea (runny nose), or new aches/pains. 2. Ongoing symptoms not due or not known to be due to SARS-CoV-2 infection a. Symptoms Defined as: Fever, Dry cough, Fatigue, Difficulty breathing, Sore throat, Diarrhea, Rhinorrhea (runny nose), or new aches/pains. 3. Patients receiving ongoing medical symptomatic treatment or prophylaxis treatment related to COVID-19 due to SARS-CoV-2