Luckily, the genetic testing proved that, in fact, this strand came north, because, had it come from the south, it would have had a much wider impact in terms of transmission.
Par chance, le test génétique a prouvé que, en fait, cette souche venait du nord, parce que si elle était venue du sud, elle aurait eu beaucoup plus d'impact en termes de transmission.
Luckily, the genetic testing proved that, in fact, this strand came north, because, had it come from the south, it would have had a much wider impact in terms of transmission.
Par chance, le test génétique a prouvé que, en fait, cette souche venait du nord, parce que si elle était venue du sud, elle aurait eu beaucoup plus d'impact en termes de transmission.