Your step-by-step guide for COVID-19 self-testing
2021-1-29 · Make sure you place the test strip on a flat and level surface. Do not move the strip during the test. 19 Check the time and set a timer if you have one. Wait 30 minutes before you read your result. Waiting the full 30-minute development time before you read your result is very important. A positive result can appear at …
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