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Main differences between the first and second waves of COVID-19 in Madrid, Spain
(International journal of infectious diseases, 2021)
Background: The emergence and rapid global spread of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) represents a major challenge to health services, and has disrupted social and economic activities worldwide. ...
Third wave of COVID-19 in Madrid, Spain
(Innoeduca-international journal of infectious diseases, 2021)
A third wave of COVID-19 occurred after Christmas 2020 in Madrid, one of the European pandemic epicenters. We noticed 6 major differential features to previous waves. First, household contacts were a large proportion of ...