America’s major medical society specializing in the treatment of respiratory diseases has endorsed using hydroxychloroquine for seriously ill hospitalized coronavirus patients. The American Thoracic Society issued guidelines Monday that suggest COVID-19 patients with pneumonia get doses of the anti-malaria drug. “To prescribe hydroxychloroquine (or chloroquine) to hospitalized patients with COVID-19 pneumonia if all of the following apply: a) shared decision-making is possible, b) data can be collected for interim comparisons of patients who received hydroxychloroquine (or chloroquine) versus those who did not, c) the illness is sufficiently severe to warrant investigational therapy, and d) the drug is not in short...