By Jennifer Learn-Andes jandes@timesleader.com In this July 27, 2020 photo, nurse Kathe Olmstead gives volunteer Melissa Harting, of Harpersville, New York, an injection in Binghamton, New York, during a study of a possible COVID-19 vaccine developed by the National Institutes of Health and Moderna Inc. AP file photo �� Listen to this Pennsylvania will soon announce plans for the second phase of COVID-19 vaccinations covering those 75 and older and many essential workers, state Health Secretary Dr. Rachel Levine said Monday. Known as “1B,” this phase includes vaccinations for law enforcement, fire/rescue and emergency services personnel, corrections officers, clergy and workers in public transit, grocery stores, education, manufacturing, the U.S. Postal Service and childcare and congregate-care facilities that were not part of the still-ongoing initial 1A phase.