"The member states do not open their doors even to a tiny portion of the people who served them and who are in difficulty," the statement quoted him as saying.
"If we don't take measures and if we don't get vaccinated, it might take a very long time to stop the pandemic," Health Minister Fahrettin Koca tweeted.
It fell 1.3% in May this year as new restrictions were imposed to tackle a surge in coronavirus cases. The index was last above 100 points in March 2018.