A fourth case was confirmed March 8, involving a woman from Montérégie, Longueuil, who had recently returned from a cruise that had visited Mexico.[84] On March 10, authorities stated that the person had used public transit between February 24 and March 6, and had went through the Berri-UQAM, Champ-de-Mars, and Longueuil metro stations.[85][86] Premier François Legault initially classified the threat posed by the virus as being "weak".[87]