COVID-19 cases emerge from large social gatherings.Three Vancouver police officers and two Vancouver police patrols are in isolation after breaking up an out-of-control party with more than 100 people attending, Ralph Kaisers, president of the Vancouver Police Union, said on social media on Friday.Kaisers told Global News the party took place in an apartment in downtown Vancouver in late July.Between 16 to 20 officers are in self-isolation as a result, Kaisers said.In addition, hundreds of people are now self-isolating following a house party in North Vancouver.“The numbers of contacts related to that are in the 400 range,” B.C.