Prevalence of COVID-19 in children, adolescents and adults in remote education situations in the city of Fortaleza, Brazil oleh Valdester Cavalcante Pinto Júnior, Luiz Francisco Wemmenson Gonçalves Moura, Rodrigo Cardoso Cavalcante, José Rubens Costa Lima, Arnaldo Solheiro Bezerra, Daylana Régia de Sousa Dantas, Cícero Matheus Lima Amaral, Daniel Freire Lima, Antonio Brazil Viana Júnior, Maria Izabel Florindo Guedes