In the fight against Covid-19 though we might look forward in doom, one day we will look backward in awe. In an article last week, I discussed a promising drug combination to treat the disease. There is now new data supporting this treatment. Since then, Kansas City area physicians, including Joe Brewer, Dan Hinthorn and me, continue to treat many patients, and some have shown improvement. Major medical centers including the University of Washington and Mass General have added hydroxychloroquine to treatment options. So here’s an update, a response to some questions that have come up, and suggestions based on the latest...