Des Moines Register: Iowa will follow federal guidance in prioritizing health care workers and nursing home residents when distributing COVID-19 vaccinations, Gov. Kim Reynolds said today. She said she expects the first distributions of the vaccine to start Dec. 13, with a shipment of 26,000 doses of a vaccine developed by Pfizer. Reynolds said more doses should come weekly, including a vaccine from Moderna, for a total of 172,000 doses of the COVID-19 vaccine by the end of December. The vaccines require two doses.