On 1 March, three new cases—associates of the woman diagnosed with the virus on 28 February—were confirmed in the Helsinki region. They were instructed to remain in isolation at home. This brought the total number of infections diagnosed in Finland to five.[14][15] Later that day, 130 people, including students at Helsinki University’s Viikki teacher training school, were placed in quarantine after having been in close contact with one of the diagnosed.[16]