Inclusion Criteria:  Provision of signed and dated informed consent form Stated willingness to comply with all study procedures and availability for the duration of the study Male or female ≥ 18 years of age Patient showing a positive test for SARS-CoV-2 with < 26 Ct of an FDA-approved PCR test who is symptomatic or flu-like illness or pneumonia Ability to tolerate an 12-minute non-painful nasal light illumination  Exclusion Criteria:  Inability to tolerate insertion of the light illuminator due to oronasal size, shape, or anatomical variants Known allergic reactions to components of the nasal decolonization treatment including methylene blue or chlorhexidine gluconate. COVID-19 illness that is moderate or severe in nature.