Spanish doctors said Friday that blood tests showed no sign of Ebola in a nun who was evacuated from Liberia along with an elderly missionary infected with the deadly virus.

The Spanish nun, 65-year-old Juliana Bonoha Bohe, was flown to Madrid on Thursday along with 75-year-old Roman Catholic priest Miguel Pajares, who contracted Ebola while helping hospital patients in the Liberian capital Monrovia.

Nigeria's president on Friday declared a national emergency over the deadly Ebola virus that has claimed two lives in Africa's most populous country.

"President Goodluck Ebele Jonathan Friday in Abuja declared the control and containment of the Ebola virus in Nigeria, a national emergency," his office said in a statement.

Nurses taking nervous passengers' temperatures at airports and isolation wards standing eerily empty waiting to receive anyone showing symptoms -- the world was already on the lookout for Ebola victims before the WHO issued a global alert on Friday.

Concern is highest in the west African neighbors of the countries -- Liberia, Guinea and Sierra Leone -- which are worst affected by an outbreak that has killed nearly 1,000 people.

Walking out of a Guinean isolation center after three weeks fighting off the deadly Ebola virus, "Old Diallo" feels he has experienced a miracle -- but now fears being labelled a freak or an untouchable.

"God is great!" he tells Agence France Presse as he waits for relatives in the hospital entrance.

The European Union on Friday allocated an extra eight million euros ($10 million) and a new mobile laboratory to help fight the Ebola outbreak spiraling out of control in West Africa.

The new funds bring total European Commission funding for the crisis to 11.9 million euros.

An Italian judge will decide who are the legal parents of IVF twins whose embryo was implanted into the wrong mother, a Rome court heard on Friday.

In a case which has gripped the country, two couples are fighting for the custody of the babies born on Sunday whose fertilized embryos were mixed up in a Rome hospital.

A Greek man who was suspected of carrying the Ebola virus has instead tested positive for malaria, the health ministry said on Friday.

The man, an architect who had recently traveled to Nigeria, underwent tests at an Athens hospital after becoming concerned for his own health.

The World Health Organization on Friday declared the killer Ebola epidemic ravaging parts of west Africa an international health emergency and appealed for global aid to help afflicted countries.

The decision came after a rare meeting of the U.N. health body's emergency committee, which urged screening of all people flying out of affected countries, where nearly 1,000 people have died

He may be more than a century old but Hafeezullah still goes to work every day. 

With the aid of a cane, the wizened white-bearded centenarian tends to his fields in Pakistan's hauntingly beautiful Neelum Valley just as he did when Britain still ruled this part of the world.

People with symptoms of Ebola will inevitably spread worldwide due to the nature of global airline travel, but any outbreak in the U.S. is not likely to be large, health authorities say.

Already one man with dual U.S.-Liberian citizenship has died from Ebola, after becoming sick on a plane from Monrovia to Lagos and exposing as many as seven other people in Nigeria.