claim: none of new york city's covid-19 cases came from europe
evidence_1: instead, the majority of introductions of the virus seem to have come from europe and from elsewhere in the united states.", "the majority is clearly european, said harm van bakel, a geneticist at icahn school of medicine at mount sinai, who co-wrote a study awaiting peer review.", "officially, the first case of coronavirus disease 2019 (covid-19) was reported in new york city on february 29, but a new report based on genomic analysis suggests the disease was introduced as early as january, and that most cases were linked to europe, rather than asia.", 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  "of the remaining isolates, the vast majority (87%) clustered with clade a2a, and the majority of isolates in that clade (72%) are cases of patients with covid-19 in europe, suggesting that europe was the major origin of covid-19 cases in new york in march, the authors write.")