there is some sort of on going testing with a set group that I've been told was randomly choosen. My sister/ husband and neice (uk based) are currently being t

there is some sort of on going testing with a set group that I've been told was randomly choosen. My sister/ husband and neice (uk based) are currently being tested once a month since the outbreak (mid 2020 ish) and they where told that they was picked at random, All of them have had covid - and probably would not have been discovered without this testing - since all their cases have been asymptomatic