Montana Public Radio

Lincoln County Public Health Department

A coronavirus testing swab in a test tube.
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Reported cases of people getting reinfected with SARS-CoV-2, the virus that causes COVID-19, are rare in the U.S. and none have been confirmed by the federal Centers for Disease Control and Prevention. But researchers say studying possible reinfections could answer some big questions about the body’s natural immune response after being infected with the virus.