A new breed of fast, cheap, and, in most cases, accurate new COVID-19 tests could remake the fraught debate over virus outbreaks at school this fall. Using subjects’ saliva instead of invasive nasal probes, they promise to help schools test more people, quickly find and isolate positive cases, and return students to the classroom once … Continue reading Drool-Worthy: As Biden Urges More COVID Tests, Quick and Inexpensive Saliva Screening is Raising Hopes for a Less Disruptive School Year