Tanner Melvin waited 18 days to receive his Covid-19 test results and learned he was positive for the virus. He says he was "very fortunate," but recognizes that getting the tests back "in a timely manner is a matter of life and death for some people." https://cnn.it/3jq5iCR | CNN Replay

562K views · 1.3K shares | Testing positive for antibodies to the virus that causes COVID-19 means you likely had a past infection. We do not know yet if people who recover from COVID-19 can get infected again. Regardless of your test result, take steps to protect yourself and others. Learn more: https://bit.ly/3gbWM8V. | CDC | Facebook

199K views · 2.2K reactions | WATCH: TODAY senior journalist Wong Pei Ting tries out a Covid-19 self-test kit by Camtech Diagnostics, which is pending HSA’s approval. The steps involved, however, are similar to other test kits that will go on sale at selected stores from June 16. Read more: https://tdy.sg/3pWedQl (Video: Raj Nadarajan/TODAY) | TODAY | Facebook

53K views · 1.3K reactions | WATCH: This new COVID-19 test kit developed in Singapore claims to have 99% accuracy and can return a result in 3 hours. | CNA | Facebook

96K views · 90 shares | Science behind COVID-19 rapid-test kit, explains Dr Ajay Mahalka | ABP Live | Facebook