nigeria

Polio could be wiped out in Nigeria - one of the last blackspots of the disease - thanks to improved vaccine, research suggests.

A Nigerian state government encourages HIV-positive men and women to marry each other.

Oil prices rebounded Friday, bouncing off a nearly $16-a-barrel drop over the prior three days, on a more positive world economic outlook from the International Monetary Fund and reduced output from Nigeria.

Oil hit a record trading high Friday as tensions with Iran, the possibility of renewed violence in Nigeria and a planned labor strike in Brazil threatened already tight crude supplies.

Oil prices climbed Tuesday as the dollar declined and concerns about potential disruption in Nigeria persisted.

Royal Dutch Shell halts production at its main offshore oil field in Nigeria, following a militant attack.

Nigeria suspends the head of its oil watchdog amid a probe into licences awarded under a former national president.

The price of oil rises above $120 for the first time, driven by concerns about supply threats in Nigeria and Iraq.

Oil prices fall on news that a strike in Nigeria by Exxon workers which had disrupted production has ended.

Oil prices cross $116 a barrel for the first time after a militant group in Nigeria said it had attacked an oil pipeline.