Countries turn to rapid antigen tests to contain 2nd wave of COVID-19

Countries straining to contain a second wave of COVID-19 are turning to faster, cheaper but less accurate tests to avoid the delays and shortages that have plagued efforts to quickly diagnose and trace those infected. https://www.cbc.ca/news/health/covid-19-antigen-tests-1.5761718?cmp=rss #news/health