COVID-19 in the province are linked to private parties in the Metro Vancouver area.Dr. Bonnie Henry said the exposure event bears a resemblance to an outbreak in Kelowna connected to private gatherings that took place over the Canada Day long weekend.“It seems to be that there are overlapping social groups that have been to a number of parties, slightly different to what we saw in the Interior, but a similar concept,” Henry said.Henry said about 400 people are now in self-isolation.“Even though they may have been smaller individual parties, the overlapping groups meant that there’s a large number of people that were potentially exposed.” Kelowna COVID-19 outbreaks linked to hotel parties: B.C.