The numbers were presented by Carla Nunes, from the National School of Public Health of the Universidade Nova de Lisboa, who also added that there is a 13 percent resistance rate among people over 65 years of age.

The most common reasons behind resistance are beliefs in lack of efficacy, fear of side effects and the need for more information. Other reasons include feeling that the vaccines have not been sufficiently tested and they have not been able to talk to a doctor to support their decision.

As for the perception of risk of advanced disease caused by Covid-19, Carla Nunes said that older people have higher values, with a percentage of 60.9 percent.

As to when people believe that all pandemic restrictions will be lifted, the vast majority believe that it should be in December.

According to the specialist, 31.4 percent of people report that it is difficult or very difficult to keep social distance and 16.8 percent say it is difficult to use a mask (with those aged between 26 and 45 showing greater difficulty).