Two options: quarantine bubble failure or incubation longer than .. 15 days?
Both are possible, though the former is more likely. 5 day intervals for incubation seem too short for 100% safety. I believe omicron has some data points of longer incubation already.
Both are possible, though the former is more likely. 5 day intervals for incubation seem too short for 100% safety. I believe omicron has some data points of longer incubation already.