Noun
United States economist (born in the Netherlands) (1910-1985)
Source: WordNetResearcher Ruud Koopmans carried out a study to examine the role of international travel flow when the coronavirus was in its initial stage of spread., Feb. 2, 2017. Source: Internet
“For a virus that likes to spread in groups of people, cruise ships are notorious,” Koopmans added. Source: Internet
Koopmans stated in his study that until mid-March 2020, the World Health Organization (WHO), European Union (EU) and German authorities were convinced that closing borders could not contain the virus. Source: Internet
“That’s the kind of transmission chain that we don’t want to see,” said Marion Koopmans. Source: Internet
“People may come here for the small-town feel but they are definitely looking for the amenities of a growing municipality,” says Koopmans. Source: Internet