Scientists said on Monday they had statistical evidence to back a novel theory that infection by the AIDS virus may reduce the risk of multiple sclerosis (MS).

Patients in England who were infected with the human immunodeficiency virus (HIV) were mathematically far less likely to develop MS than the general population they found.

The World Bank has pledged $200 million to help contain the deadly Ebola virus reaping panic across west Africa, as Nigerian authorities say a doctor in Lagos has contracted the disease, the second case in the sprawling city.

The confirmation that a fourth doctor in the region had developed Ebola came Monday as fear and anger about the dead being left unburied in Liberia's capital Monrovia brought protestors into the streets there.

The World Health Organization said Monday the death toll from the Ebola epidemic in west Africa has now reached 887 after 61 more fatalities recorded at the end of last week.

Giving an update on the deadly virus -- the worst Ebola outbreak ever -- the U.N. health agency said the 61 deaths were reported between last Thursday and Friday in Guinea, Liberia, Nigeria and Sierra Leone.

Nigerian authorities said Monday that a doctor in Lagos who treated a Liberian victim of Ebola has contracted the virus, the second confirmed case in sub-Saharan Africa's largest city.

"This new case is one of the doctors who attended to the Liberian Ebola patient who died," said Health Minister Onyebuchi Chukwu.

Hundreds of thousands of Toledo, Ohio residents entered a third day Monday unable to drink their tap water after officials warned that the supply was polluted. 

In a rare 3 am (0700 GMT) Monday press conference, Mayor Michael Collins said the ban, in place since Saturday, remains in effect, even though tests show the quality of the water is improving.

Liberians blocked major roads across the capital of the Ebola-hit west African nation on Monday to protest against dead bodies being left for days in houses and abandoned in the streets.

The impoverished country, along with neighbouring Guinea and Sierra Leone, is struggling to contain an epidemic that has infected 1,440 people and left 826 dead across the region since the start of the year.

Lying on his bed in a Gaza hospital, three-year-old Yamin now sees the world from behind burns which have disfigured him for life.

The tiny boy is just one of hundreds of burn victims and those wounded by Israeli shell fire overwhelming Gaza's sole working operating theater for plastic surgeons.

A picture taken on January 12, 2012 in Boissy-l'Aillerie, northern Paris, shows a technician presenting a silicone breast implant

Move over Beverly Hills: image-conscious Brazil has overtaken the United States as the world's capital of cosmetic surgery.

The deadly Ebola virus landed on U.S. soil for the first time on Saturday when a private jet carrying one of two American aid workers infected by the disease touched down in Georgia, television images showed.

A specially fitted jet carrying Kent Brantly, a doctor who was treating Ebola patients in Liberia, arrived at Dobbins Air Reserve Base outside Atlanta, Georgia shortly before 11:50 am (1550 GMT) local time, WSB TV reported.

It is a sweltering morning in the over-stretched Ebola clinic in the Liberian capital Monrovia, and Kendell Kauffeldt scowls in frustration as a jeep pulls up with a new patient.