The number of new infections registered in the last 24 hours is the highest since that date, when 9,083 cases were registered.
The daily epidemiological bulletin of the DGS also reveals a decrease in the number of hospitalised people, totalling 893 admissions today, 16 fewer than on Wednesday, of which 148 in intensive care units, seven fewer in the last 24 hours.
Of the 17 deaths, five occurred in the North region, three in Lisbon and Vale do Tejo, three in the Centre, three in the Algarve, two in the autonomous region of Madeira and one in the Alentejo.
Lisbon and Vale do Tejo is also the region with the most new cases diagnosed in the last 24 hours (5,350, 50.7% of the total), followed by the North (2,817), the Centre (1,465), the Algarve (328), the Alentejo (255), Madeira (249) and the Azores (85).
According to data from the health authority, there was one death in the age group between 50 and 59, three between 60 and 69, seven between 70 and 79 years old and six among the elderly over 80 years old.
The greatest number of deaths since the beginning of the pandemic continues to be concentrated among the elderly over 80 years (12,235), followed by the age groups between 70 and 79 years (4,072) and between 60 and 69 years (1730).
Active covid-19 cases have increased in the past 24 hours to 84,643, up 6,584 from Wednesday, and 3,948 people have recovered from the disease, bringing the national total of recoveries to 1,149,611.
Compared to the previous day, health authorities have over 5,185 contacts under surveillance, totalling 112,417 people.
The largest number of new cases diagnosed is in the age group between 20 and 29 years old (2,361), followed by 40 to 49 years old (1,843), from 30 to 39 years old (1,830), from 10 to 19 (1,342), from 50 to 59 years old (1,202), from 0 to 9 years old (877), from 60 to 69 years old (682), from 70 to 79 years old (265) and elderly people over 80 years old (147).
Since the beginning of the pandemic, in March 2020, the region of Lisbon and Vale do Tejo has registered 480,085 cases and 7,936 deaths.
In the North region there were 463,049 infections and 5,747 deaths and the Centre region now has a cumulative total of 180,532 infections and 3,333 deaths.
The Algarve has 55,327 infections and 572 deaths and the Alentejo has 45,131 cases and 1,084 deaths due to Covid-19.
Since the start of the pandemic, the Autonomous Region of Madeira has 18,008 infections and 118 deaths, and the Azores archipelago 10,962 cases and 50 deaths.
The regional authorities of the Azores and Madeira publish their data daily, which may not coincide with the information published in the DGS bulletin.
In Portugal, since March 2020, 18,840 people have died, 9,890 among men and 8,950 among women.