Remedesavir, the most effective treatment so far. Tonight hospitals are sounding the alarm. So will there be enough if you get sick . Tonight a troubling warning in the bay area about a common treatment for the coronavirus. Its called remedesavir. Its made by Gilead Science in foster city, but now some doctors worry the supply is low. Ian cull has the late details. Reporter its one of the only drugs that is helping Covid Patients survive. But tonight doctors say remedesavir is in short supply. Were seeing that were on the edge. Were about to fall off the cliff, and i dont know when that point will happen yet. across the state in the last month, hospitals in San Francisco are running out of remedesavir. Dr. Peter chin hong is an Infectious Disease specialist at ucsf. Well be soon enough to the point where we have to decide on an ethical basis if five people or ten people come in at the same time, who youre going to give the last course of drugs for. Reporter one of the problems, they ca