Table 2.

January 2021 survey—questions used to assess attitudes about COVID-19 and flu vaccines.

Variable	Measure and Items	Assessment
COVID-19 vaccines attitudes	About 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 for everyone for free? 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
Current vaccines attitudes	About other vaccines: Have you been vaccinated against seasonal flu? Did you want to be vaccinated against the flu, but you couldn’t? Have you been recently vaccinated and/or do you intend to be vaccinated soon against other infectious diseases, in addition to seasonal influenza and COVID-19?	Nominal YES/NO