most of the first class of patients were able to leave the hospital from november 9-11th. on november 15, the second class of patients, numbering around 100, were inoculated at essex hospital. one of the members of this second group was captain lowell of newburyport, who on december 4, 1773 was severely injured while loading a four-pound cannon on the island. both arms were amputated, one eye was destroyed and the other severely injured, and his upper chest and neck were severely injured. dr. jackson performed immediate surgery, and captain lowell was able to leave the hospital on january 16, 1774. as of january 26, he was still alive. the third class of patients was inoculated at the hospital on december 15, 1773.