Linn County is expected to receive triple its typical weekly COVID-19 vaccine allocation from federal officials beginning next week, allowing for better predictability for vaccine appointments and increasing local public health officials’ confidence the county will see a more consistent rollout of shots.Starting Feb. 15, Linn County will receive approximately 3,000 doses of the vaccine per week through the end of the month — an increase from the 1,000 per week average previously — Linn County Public Health officials said during a Monday media briefing on the COVID-19 vaccination efforts.