The Danish Politioch Kommercekollegium in 1708 had…
July 1710 CE
These measures had not been implemented immediately, as the plague had not yet reached the Baltic coast.
The king had ordered the implementation of a revised plan on August 16 and 19, 1709, however, and a quarantine station is built on Saltholm for goods and crews of ships coming to Denmark from the infected ports of Danzig and Königsberg, while their ships are meanwhile cleansed in Christianshavn; Dutch traders sailing from infected ports to the North Sea are to pay the Sound Dues on a special boat off the coast at Helsingør.
When the plague does not arrive in Denmark, Saltholm effectively falls out of use by July 3, 1710, when only three people are left in the station.
The main problem now is rather the lost Battle of Helsingborg and the aggressive type of typhus that the retreating Danish soldiers carry to Zealand from Scania.