28 February 2022. The Laos National Taskforce for Covid-19 Prevention and Control announced that only 4 Lao provinces have not yet met a Covid-19 vaccination rate of 50 % or higher. Provinces are Houaphanh, Xieng Khouang, Xaysomboun, and Savannakhet.https://laotiantimes.com/2022/02/28/only-four-provinces-in-laos-yet-to-reach-majority-covid-vaccination/