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โCase rates are highest among those who are unvaccinatedโ: CDC director says omicron isnโt over yet
Read full article: โCase rates are highest among those who are unvaccinatedโ: CDC director says omicron isnโt over yetThe White House COVID-19 Response Team held a briefing to update Americans on the effectiveness of the booster shot against the omicron variant and the free COVID test that is being administered by mail.