Adjustments on the validity of EUs COVID-19 certificate.
From February 1, 2022: Adjustments on the validity of EUs COVID-19 certificate.
According to EU rules, anyone who is fully vaccinated must take a booster dose of the vaccine when 270 days (roughly 9 months) have passed since the last dose was taken in order to have a valid COVID-19 certificate after February 1st. (Read more at fhi.no)