Kabwe, Zambia, is one of the most polluted towns on the planet – 200,000 of its residents have lead poisoning caused by nearly a century of mining. It’s what experts call a “sacrifice zone”.

LUSAKA, Feb. 3 (Xinhua) -- Health authorities in Zambia will commence an oral cholera vaccination campaign in Chililabombwe Town in Copperbelt Province currently hard-hit by a cholera outbreak, a ...