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Science / Health

What is a COVID-19 vaccine ‘breakthrough’ case?

A small number of COVID-19 “breakthrough” cases are expected after vaccination, and health officials say they’re not a cause for alarm. A breakthrough case is when a vaccinated person gets infected with the coronavirus. Studies […]

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Science / Health

As wildfire smoke spreads, who’s at risk?

BILLINGS, Mont. (AP) — Smoke from wildfires in the western U.S. and Canada is blanketing much of the continent and reaching unhealthy levels this week in communities from Washington state to Washington D.C. Experts say […]