The Delta variant of the SARS-CoV-2 virus is responsible for 94.8% of cases of infection in Portugal and for 100% of the cases in the Alentejo, Azores and…

The Delta variant of the SARS-CoV-2 virus is responsible for 94.8% of cases of infection in Portugal and for 100% of the cases in the Alentejo, Azores and…