International certificate of Vaccination or Prophylaxis document of The Netherlands [Getty Images]

KAMPEN, THE NETHERLANDS - JUNE 7: A photo illustration of a International certificate of Vaccination or Prophylaxis issued by the Kingdom of The Netherlands and vaccination invitation letter presented on a table on June 7, 2021 in Kampen, The Netherlands. As of June 7 the public health service in The Netherlands are registering Covid-19 coronavirus vaccinations in the yellow medical passport.

Getty Images News Sjoerd van der Wal