More people than ever are getting tested as highly contagious omicron shatters records with about a half million new cases every day.
But the fast-moving variant has exposed the nation’s testing capacity as still insufficient, a situation exacerbated by the holidays as companies test returning employees and schools and universities screen students and staff. Confronted with empty store shelves or lengthy lines at testing sites nearly two years into the COVID-19 pandemic, frustrated consumers, doctors and public health workers wonder who's at fault.
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