KOROR, Palau(AFP) — The tiny Pacific nation of Nauru has congratulated itself for a “world record” Covid-19 vaccination drive which resulted in all its adult population receiving their first jab. The remote island nation, one of the few places in the world to remain virus-free, said the four-week vaccination campaign had exceeded expectations. It said 7,392 people received the first dose, or 108 percent of the estimated adult population, with foreigners included in the figure. […]