I guess they screen is based on directives given by the European Commune in Europe.
The EC gets the directives maybe from the WHO, the EC just passes on the directives (without checking the what, why and how) to the countries with 'gentle pressure' to execute accordingly (if compliance, you get some budget, if you don't follow the directive, tough luck ..), then the countries impose these directives on the municipals, again not checking what needs to be checked, why and how..