• Main differences between the first and second waves of COVID-19 in Madrid, Spain 

      Soriano, Vicente ; Ganado-Pinilla, Pilar ; Sánchez-Santos, Miguel ; Gómez-Gallego, Felix ; Barreiro, Pablo; de Mendoza, Carmen; Corral, Octavio Jorge (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. ...