(Salem, OR)  --  State health officials are now releasing weekly numbers on COVID-19 vaccine wastage.  The Oregon Health Authority says a total of 656 doses have been lost to spoilage, waste or expiration.  The Moderna vaccine had the highest number of lost doses.  OHA says wastage is a normal part of the vaccination process, and 656 doses is a fraction of a percent of the total doses received in the state.