NEW YORK, NEW YORK - OCTOBER 04: People march as they protest against NYC's coronavirus (COVID-19) vaccine mandate that went into effect today for public school employees on October 04, 2021 in New York City. According to Mayor Bill de Blasio ninety-five percent of all full-time DOE employees were vaccinated, that includes 96% of all teachers and 99% of all principals. Almost 8,000 out of all 148,000 DOE employees, 3,000 out of 78,000 teachers and 12 out of 1,600 principals are unvaccinated with most being replaced by substitutes. People who remain unvaccinated make up nearly 97% of all COVID-19 hospitalizations across NYC. (Photo by Michael M. Santiago/Getty Images)