Link to presentation on hydroxychloroquine in COVID-19 in Google DriveLink to article focused/discussed: Boulware et al, 2020, NEJM: A Randomized Trial of Hydroxychloroquine as Postexposure Prophylaxis for Covid-19 Giudicessi et al, 2020: Urgent Guidance for Navigating and Circumventing the QTc-Prolonging and Torsadogenic Potential Comment