How do I collect my sample? May 20, 2020 16:14 Updated We'll send you everything you need to collect your nasal swab sample, including step-by-step instructions. Sample collection is quick, simple, and painless - watch our video here. Related articles Is it safe to send my sample in the mail? How long does it take to get the test results back? What is the price of the COVID-19 test? What happens if I don’t collect my sample correctly? How long is my sample stable for testing?