Since the beginning of the pandemic, Portugal has already registered 1,852 deaths and 62,126 cases of infection.
The three deaths have been registered in the region of Lisbon and Vale do Tejo.
In surveillance remain 35,181 contacts, 30 more in relation to Wednesday.
In the region of Lisbon and Vale do Tejo 239 new cases have been reported, accounting for 31,802 and 692 deaths since the beginning of the pandemic.
The North region now has a further 268 cases.
In the Centre region there have been a further 50 cases, with a total of 5,094 infections and 254 deaths since the beginning of the pandemic.
In Alentejo a further 15 cases of Covid-19 have been registered, totalling 1036 cases and 22 deaths.
The Algarve region has today reported a further six cases of Covid-19 infection, now totalling 1,192 cases and 17 deaths.
In the autonomous region of the Azores a new case has been registered, totalling 229 infections since the beginning of the pandemic and 15 deaths.
In Madeira there are now six new cases registered, accounting for 180 Covid-19 infections, with no deaths since the beginning of the pandemic.
The DGS also reports that in the last 24 hours 157 patients have recovered, totalling 43,441 people given as recovered since the beginning of the pandemic in Portugal.
The number of inpatients rose to 406 (plus 15) and the number of patients in Intensive Care Units increased to 57 (plus five).
Confirmed cases are spread over all age groups, with the highest number of infections recorded being between 20 and 59 years old.
In total, the new coronavirus affected at least 28,017 men and 34,109 women in Portugal, according to the reported cases.
Of the total number of deaths, 932 were men and 920 women.
The highest number of deaths continues to be concentrated in people over 80 years of age.
The Covid-19 pandemic has already caused more than 904,000 deaths and almost 28 million cases of infection in 196 countries and territories, according to a review by the French agency AFP.
In Portugal, 1,849 people died out of 61,541 confirmed cases of infection, according to the most recent bulletin of the Directorate General for Health.