Variable	Measure and Items	Assessment
COVID-19 vaccines perceptions and attitudes	About future COVID-19 vaccines: …do you think the vaccines developed so far are safe? …do you think they are efficacious? ….do you think they overlap, regardless of the production technique used? …do you intend to get vaccinated against COVID-19? …. if you could, would you choose which vaccine to take? …will the Government be able to offer the vaccine against COVID-19 free for everyone? …would you pay a fee to be vaccinated? …should vaccination against COVID-19 be made mandatory for everyone? …should vaccination against COVID-19 be made compulsory for the most at-risk groups? …do you think children should be vaccinated too?	Nominal YES/NO
Other vaccines behavior	About current vaccines: … have you been vaccinated against flu? …you wanted to be vaccinated against the flu, but you couldn’t? …in 2020 you have been vaccinated and/or do you intend to vaccinate yourself soon against other infectious diseases, in addition to influenza and COVID-19?	Nominal YES/NO