Asia China COVID-19 News Korean Saliva Test For COVID-19 Just As Effective As Regular Nasal Test SEOUL, South Korea, Feb.18, 2021 /PRNewswire/ — A new study shows that the less-invasive saliva test for COVID-19 gives just as accurate results as those of the nasopharyngeal specimen. … PR NewswireFebruary 18, 2021 View Post