Hydroxychloroquine as Postexposure Prophylaxis to Prevent Severe Acute Respiratory Syndrome Coronavirus 2 Infection : A Randomized Trial.

Barnabas RV, Brown ER, Bershteyn A, Stankiewicz Karita HC, Johnston C, Thorpe LE, Kottkamp A, Neuzil KM, Laufer MK, Deming M, Paasche-Orlow MK, Kissinger PJ, Luk A, Paolino K, Landovitz RJ, Hoffman R, Schaafsma TT, Krows ML, Thomas KK, Morrison S, Haugen HS, Kidoguchi L, Wener M, Greninger AL, Huang ML, Jerome KR, Wald A, Celum C, Chu HY, Baeten JM, Hydroxychloroquine COVID-19 PEP Study Team