https://www.siliconvalley.com/2021/12/27/rapid-coronavirus-tests-are-the-at-home-swabs-picking-up-omicron-experts-say-yes/

As many people around the holidays shifted to using rapid coronavirus tests, infectious disease experts say they’re confident the at-home swabs are picking up the new omicron variant.

All of the data shows that the rapid tests are detecting the extremely contagious omicron variant, just as well as the tests picked up the highly contagious delta variant, according to Harvard epidemiologist Michael Mina.