COVID-19 contact tracing as an indicator for evaluating a pandemic situation - Marques-Cruz, Manuel; Nogueira-Leite, Diogo; Alves, João Miguel; Fernandes, Francisco; Fernandes, José Miguel; Almeida, Miguel Ângelo; Correia, Patrícia Cunha; Perestrelo, Paula; Cruz-Correia, Ricardo; Barros, Pedro Pita (2023)