A citywide prevention program using ivermectin as prophylaxis for COVID-19 was implemented in Itajaí, a southern city in Brazil in the state of Santa Catarina between July 2020 and December 2020. In early July, the city mayor of Itajaí, Dr. Volnei José Morastoni announced a citywide use of Ivermectin against COVID-19. The mayor distributed Ivermectin…