BERLIN, GERMANY - JULY 05: King Willem-Alexander and Queen Maxima of the Netherlands arrive for a visit to the Robert Koch Institute on July 05, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Fabian Sommer - Pool/Getty Images)
BERLIN, GERMANY - JULY 05: King Willem-Alexander and Queen Maxima of the Netherlands arrive for a visit to the Robert Koch Institute on July 05, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Fabian Sommer - Pool/Getty Images)
BERLIN, GERMANY - JULY 05: King Willem-Alexander and Queen Maxima of the Netherlands meet Jens Spahn (CDU) (L), Federal Minister of Health, and Lothar Wieler, President of the Robert Koch Institute (RKI) (R) during their visit to the Robert Koch Institute on July 05, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Fabian Sommer - Pool/Getty Images)
BERLIN, GERMANY - JULY 05: King Willem-Alexander of The Netherlands, Queen Maxima of The Netherlands, Jens Spahn (CDU), Federal Minister of Health, and Lothar Wieler, (R) President of the Robert Koch Institute, leave the Robert Koch Institute after a visit on July 5, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Christophe Gateau-Pool/Getty Images)
BERLIN, GERMANY - JULY 05: King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands, sit in a lecture hall during their visit to the Robert Koch Institute on July 5, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Christophe Gateau-Pool/Getty Images)
