According to INSA's weekly report on the evolution of Covid-19, the average value of the Rt - which estimates the number of secondary cases of infection resulting from each person carrying the virus - increased from 0.98 to 1.02 at the national level.

INSA also mentions that the average number of daily cases for five days went from 2,468 to 2,642 at national level (2,477 on the mainland), despite continuing to be one of the lowest numbers of infections recorded throughout this year.

The highest average daily contagion occurred at the end of January, when 49,795 cases were reported over an average of five days.

At the regional level, the data now released indicate that the Rt is 0.98 in the Centre, while the remaining six regions have this indicator above the threshold of 1, two more than in the previous week.

The North has an Rt of 1.03, Lisbon and the Tagus Valley of 1.03, the Alentejo of 1.04, the Algarve of 1.07, the Azores of 1.18 and Madeira of 1.33.