Providers have surpassed administering 700,000 doses of a COVID-19 vaccine in Iowa since the first inoculations in December, state public health data released Sunday show.The vast majority of those shots — 679,016 of the total 705,151 — went to Iowans, the data show.A total of 178,875 people — an increase of 9,258 since last week — have completed getting both of the required doses.In Linn County, 51,390 total doses have been administered, the data showed Sunday.