“Estonia plans to introduce vaccination certificates as early as April,” Killar told the Postimees newspaper.
It is necessary to share vaccination data safely and internationally in order to resume travel between countries, he said.
He noted that digitalized vaccination data will help improve people's daily lives.
Earlier, Estonian Prime Minister Kaya Kallas did not rule out that in the absence of a decrease in the incidence of coronavirus infection COVID-19, the republic will remain closed for quarantine until the end of summer.