Assessing Viral Shedding and Infectivity of Tears in Coronavirus Disease 2019 (COVID-19) Patients - Seah, Ivan Yu Jun; Anderson, Danielle E; Kang, Adrian Eng Zheng; Wang, Linfa; Rao, Pooja; Young, Barnaby Edward; Lye, David Chien; Agrawal, Rupesh (Ophthalmology (Rochester, Minn.), 2020)