should you test covid before omicron booster 6753535

news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news news