Its all about viral load and sensitivity something these rat tests are NOT catching that PCR testing is doing, Simple answer to testing omicron is use Dotz testing for every school in Australia hi sensitivity and they don't need to get a swap up their nose.
Do that enough times and there skulls will cave in.
https://www.npr.org/sections/health-shots/2022/01/23/1074978193/rapid-covid-tests-omicron
