Inclusion Criteria:

- Mayo Clinic patients with a previously confirmed infection with the novel SARS-CoV-2
virus who have been seen in the Post COVID Clinic through GIM Integrative Medicine &
Health Section or approval by MAGPIES research group.

- Be able to participate fully in all aspects of the study.

- Have understood and signed study informed consent.

Exclusion Criteria:

- Lacking the capacity to consent.

- Prisoners and institutionalized individuals.

- Reports being currently pregnant, lactating, or are of child-bearing potential or
are likely to become pregnant during the LLLT treatment phase and are unwilling to
use a reliable form of contraception.

o Acceptable forms include:

- Hormonal methods, such as birth control pills, patches, injections, vaginal
ring, or implants

- Barrier methods (such as a condom or diaphragm) used with a spermicide (a foam,
cream, or gel that kills sperm)

- Intrauterine device (IUD)

- Total hysterectomy or tubal ligation

- Abstinence (no sex).

- Those patients that have implants that would prevent them from having a PET Scan.

- Patients that have claustrophobia.

- Have a known history of any condition or factor judged by the investigator to
preclude participation in the study or which might hinder adherence.