[https://abcnews.go.com/Health/fda-authorizes-cell-test-game-changer-covid-19/story?id=76318248&cid=clicksource_4380645_3_heads_hero_live_hero_hed](https://abcnews.go.com/Health/fda-authorizes-cell-test-game-changer-covid-19/story?id=76318248&cid=clicksource_4380645_3_heads_hero_live_hero_hed) >"The new test, which has been authorized by the FDA, detects prior COVID-19 infection with T-cells and may be a game changer for some COVID-19 long haulers."