So far no other infections have been found in connection with the first US-detected Ebola case.
As a WHO panel mapped out how to speed vaccine delivery, outbreak cases topped 7,000.
The man had revealed his travel history, and 5 schoolchildren are among his contacts.
Texas and CDC lab tests confirm the first US case detected outside of West Africa.
The new UN mission headquarters in Accra will have a strong presence in Guinea, Liberia, and Sierra Leone.
Airlifted out of Sierra Leone yesterday, a US doctor will be enrolled in a clinical trial.
As the outbreak tops 3,000 deaths, nations gather to push a global health plan.
Although Ebola activity in Guinea may have stabilized, cases continue to rise briskly in Sierra Leone and Liberia.
Ebola was spotlighted at the UN General Assembly, and Pope Francis added an appeal.
The WHO numbers come from an epidemiologic analysis, and the CDC's estimate is from its newly released modeling tool.
