Doctors say they’ve learned enough about the highly contagious virus to solve some key problems for many patients. The changes could be translating into more saved lives, although there is little conclusive data. Nearly 30 doctors around the world, from New Orleans to London to Dubai, told Reuters they feel more prepared should cases surge again in the fall. “We are well-positioned for a second wave,” Patel said. “We know so much more.” Doctors like Patel now have: *A clearer grasp of the disease’s side effects, like blood clotting and kidney failure *A better understanding of how to help patients struggling to breathe *More information on which drugs work for which kinds of patients.