FILE – In this July 27, 2020, file photo, Nurse Kathe Olmstead gives volunteer Melissa Harting, of Harpersville, N.Y., an injection as a study of a possible COVID-19 vaccine, developed by the National Institutes of Health and Moderna Inc., gets underway in Binghamton, N.Y. California is preparing for the first batch of coronavirus vaccines to reach the state and officials are sorting out how they will be distributed and who will be prioritized for inoculation. (AP Photo/Hans Pennink, File)