Screening centres are also being set up at the few major entry points that will remain open, such as the main airport.

 

Meanwhile, Nigeria largest's airline, Arik Air, has suspended all flights to Liberia and Sierra Leone after a man with Ebola flew to Nigeria last week.

 

The virus has killed at least 660 people in West Africa since February.

 

The outbreak began in southern Guinea and spread to Liberia and Sierra Leone. It is the world's deadliest so far.

 

Nigeria has put all its entry points on red alert after confirming that a Liberian man died of Ebola after arriving at Lagos airport on Tuesday.

 

Ebola kills up to 90% of those infected, but patients have a better chance of survival if they receive early treatment.

 

It spreads through contact with an infected person's bodily fluids.

 

Arik Air said it took the decision to halt flights as a precautionary measure and called for all inbound flights to Nigeria from Ebola-affected¹ countries to be suspended.

 

"We feel especially compelled to take the business decision to immediately suspend flight services into the two Ebola affected countries due to our interest in the well-being² of Nigerians," the airline, which operates routes across West Africa, said in a statement.

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