@WHO: Learn how to safely perform SARS-CoV-2 Antigen RDT testing, ensure quality testing and interpret #COVID19 results in this free 🆕 online course on #OpenWHO 👉 https://t.co/KwNzHOrPdt https://t.co/LwIrN4XcJp

http://twitter.com/WHO
via IFTTT