"We were mid-February so we didn't have the circumstances of what was happening," Bergamo Mayor Giorgio Gori said this week during a live Facebook chat with the Foreign Press Association in Rome. "If it's true what they're saying that the virus was already circulating in Europe in January, then it's very probable that 40,000 Bergamaschi in the stands of San Siro, all together, exchanged the virus between them. As is possible that so many Bergamaschi that night got together in houses, bars to watch the match and did the same.