I think those gatherings are a thing of the past in most countries. But in practice I don't think you'd have that many notifications (there's not that many peo

I think those gatherings are a thing of the past in most countries. But in practice I don't think you'd have that many notifications (there's not that many people you'd stand next to for, say, 5 minutes within 1 metre) and they could all be true positives.