A cluster of COVID-19 cases in a small Italian town: a successful example of contact tracing and swab collection. (August 2020) - Valent, F.; Gallo, T.; Mazzolini, E.; Pipan, C.; Sartor, A.; Merelli, M.; Bontempo, G.; Marzinotto, S.; Curcio, F.; Tascini, C.