1. CDC Guidelines on Point-of-Care Testing for COVID-19: https://www.cdc.gov/coronavirus/2019-ncov/lab/point-of-care-testing.html

2. CDC Guidelines for Clinical Specimens for COVID-19: https://www.cdc.gov/coronavirus/2019-ncov/lab/guidelines-clinical-specimens.html#:~:text=Take%20 approximately%2015%20seconds%20to,into% 20the%20transport%20tube%20provided

3. Public Health Ontario PCR Specimen Collection Instructions: https://www.publichealthontario.ca/en/Laboratory-Services/Kit-Test-Ordering-Instructions/COVID-19-Respiratory-Viruses-PCR-Oral-Oropharyngeal-Nasal