immunity

Watch: State health officials expect herd immunity …

Top immunity Headlines

Do you have ‘super immunity’ after booster, omicron?

Had COVID-19 and a vaccine? You could be immune for years, …

State mask mandates split U.S. in half

How does Colorado compare to other states as we reach …

Demand for vaccines is flattening in Colorado

‘Immunity bubbles’? What you shouldn’t do after getting …