Read carefully.
Refusal of entry is not considered an appropriate preventive measure as the virus would spread further since those potential patients would keep moving in the region without being treated, EU sources said.
Instead, the experts advised having systematic checks for all those arriving, ensuring a coordinated approach between border guards and national authorities, as well as a real-time exchange of information.
They stopped just before saying, ... and then we forcibly quarantine them to keep them from moving in the region.
They don’t keep them from entering in the first place, it still looks like.