INSA's weekly report on the evolution of covid-19 reveals that the average Rt, which estimates the number of secondary cases of infection resulting from each person carrying the virus, rose from 0.88 to 0.89 at national level.

The Azores are the only region in the country that has a transmissibility index above the threshold of 1.00 (1.36), according to data from the Instituto Nacional Dr. Ricardo Jorge for the period between the 5th and 9th of December.

According to the report, the North has an Rt of 0.89, the Center of 0.97, Lisbon and the Tagus Valley of 0.86, the Alentejo of 0.94 and Madeira of 0.91.