COVID-19 Vaccination Coverage Survey (CVCS)

Summary of changes

Activity on this program started: January 01, 2021

Reference period of change - May 2021 (cycle 2)

In the second cycle of the survey, there was a change to an answer category in question 11: "What is the main reason why you haven't been vaccinated against COVID-19?"

In the first version of the questionnaire, collected from March 11 to April 12, 2021, answer category 4 of question 11 read as follows:

"The vaccine isn't available in my region yet."

In the cycle 2 version of the questionnaire, collected from April 12 to May 12, 2021, answer category 4 was revised to read as follows:

"I don't have confidence in the vaccine that was offered to me."