Hundreds of doses of Moderna’s CCP virus vaccine were destroyed after a cleaner in Boston accidentally turned off the freezer, while thousands more were possibly ruined by temperature change in Maine. “On Tuesday, January 19, 2021, VA Boston Pharmacy staff discovered that a freezer at the Jamaica Plain campus failed. As a result, 1,900 doses of the Moderna COVID-19 Vaccine stored in the freezer were compromised,” Kyle Toto, the public affairs specialist at VA Boston Healthcare System, said in a statement to news outlets on Thursday. Moderna vaccine doses are frozen between -13 and -15 degrees F, says the U.S. Centers for Disease Control and Prevention (CDC). The doses then can be frozen or stored between 36 and 46 degrees F for up to 30 days, the agency says (pdf). The freezer at the Boston pharmacy “was in a secure location and had an alarm system installed,” said Toto. “The plug …