YANKTON, S.D.(WNAX)- The Centers for Disease Control have changed the rules for those possibly exposed to Covid-19 and what their reaction should be.

Liz Healy, infection control specialist with Avera Sacred Heart Hospital in Yankton, says there are steps to follow.

Healy says after five days, most people can resume some normal activities.

Healy says isolation is still a good strategy if symptoms don’t clear up.

Healy says vaccination is still the best way to avoid the worst of Covid-19.