The primary objective is to measure the change between COVID-19 patients and normal subjects; the secondary objective is to measure the change in COVID-19 patients between baseline and 4-month follow up.

Inclusion Criteria:

• COVID-19 positive patients will have a previous positive COVID-19 test and radiographic findings, and/or a positive SARS-CoV-2 antibody test and be in early recovery.
• First PET/CT visit needs to be within 8 weeks of COVID-19 diagnosis.
• Ability to understand and willingness to sign an informed consent form.
• Ability to adhere to the study visit schedule and other protocol requirements.
• All persons ≥18 years of age.

Exclusion Criteria:

• Pregnant or lactating women.
• Any condition that would prohibit the understanding or rendering of informed consent.
• Unable to lie supine for 1-hour imaging with PET.
• Prisoners.
• Any comorbidity that, in the opinion of the investigator, could compromise protocol objectives.