Most infections have been reported to date in Lisbon and Vale do Tejo, but there are also cases in the North and Algarve regions.

According to the DGS, all confirmed infections are in men between the ages of 20 and 61, with the majority being under 40 years of age. The new cases were confirmed by the National Institute of Health Doctor Ricardo Jorge (INSA).

The 138 cases identified "remain in clinical follow-up and are stable".