Regional AlertLaos sets target to vaccinate over 80 pct of children aged 6 to 11 in 2022 October 9, 2022By MBDS Team6 October 2022. The Lao Ministry of Health has set a target for more than 80 percent, ideally 100 percent, of children aged 6-11 to be vaccinated against COVID-19 by the end of 2022. So far, 712,532 children aged 6-11, accounting for 76.1 percent, have had a first dose of a COVID-19 vaccine, while 531,110 children, or 56.7 percent, have had two doses.