Covid Rapid tests work by detecting the presence of specific antigens from the virus in a sample taken from the patient, usually from a nasal or throat swab. Canadian Tavel Clnics also provides advanced covid rapid test kits for home. Covid Rapid tests can be performed at a variety of locations, including doctor's offices, clinics, and even at home, which makes testing more accessible and convenient. For more information, please contact us at +1 888 672 0005 or Visit https://www.canadiantravelclinics.ca/