WRAPUP 1 -Ebola spreads exponentially in Liberia, many more cases soon-WHO
* Half of all epidemic deaths in Liberia
* UN chief Ban calls EU, British, French, Cuban leaders
* US, Britain deploy military teams to tackle outbreak
* MSF says resources must be deployed faster
* Infected WHO doctor to be evacuated from Sierra Leone (Adds WHO statement, US and British deployment, MSF comments)
By Stephanie Nebehay and Umaru Fofana
GENEVA/FREETOWN, Sept 8 (Reuters) - Liberia, the country worst hit by West Africa's Ebola epidemic, should see thousands of new cases in coming weeks as the virus spreads exponentially, the World Health Organisation (WHO) said on Monday.
The epidemic, the worst since the disease was discovered in 1976, has killed some 2,100 people in Guinea, Sierra Leone, Liberia and Nigeria and has also spread to Senegal.
The WHO believes it will take six to nine months to contain and may infect up to 20,000 people. In Liberia, the disease has already killed 1,089 people - more than half of all deaths reported since March in this regional epidemic. Continued...