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Fort Smith/Fayetteville News | 5newsonline KFSM 5NEWS | Get the local news and weather where you live from 5NEWS. Covering Fort Smith, Fayetteville, Bentonville, and all of Northwest Arkansas and the River Valley.

Can antibody tests prove if you’re protected by the COVID-19 vaccines?

Last year, antibody tests got a lot of attention, as people wanted to figure out if they’d had COVID-19 and whether or not they were protected from the virus.