by Khaliun Bayartsogt Agence France-Presse DUNDGOBI, Mongolia (AFP) – Nurse Sodkhuu Galbadrakh clutches a box of Covid-19 vaccines on his lap as he journeys along a bumpy track through a remote region of the Mongolian steppe, going home-to-home to offer booster doses to herders. The country of three million has taken some of the world’s toughest and most enduring measures against the coronavirus pandemic, shutting schools for much of the last two years and closing […]