Another saliva-based COVID-19 test: https://www.globenewswire.com/news-release/2020/04/17/2018017/0/en/Curative-Inc-Receives-FDA-Authorization-for-Oral-Fluid-COVID-19-Test.html That makes three such tests I’m aware of. Rutgers (#msg-154980944, #msg-155073837) and CODX (#msg-155070287) are the others.