A rapid antigen test (RAT) allows you to quickly check if you have COVID-19, and provides a result within 10 to 15 minutes. Before you start make sure you have read, understand and follow the instructions provided within the test. Make sure you have waited at least 30 minutes to take a RAT after eating, drinking, brushing your teeth or smoking. To use a nasal swab rapid antigen test: ✔️ put swab in nose until you feel resistance ✔️ swirl it around for 15 seconds in each nostril ✔️ put swab in vi