in West Africa

PowerPoint Show by Andrew

The World Health Organization estimates that the Ebola virus has killed more than 4,000 people in West African countries and infected twice as many since the recent outbreak began.

The World Bank estimates the economic impact of Ebola will exceed $32 billion by the end of next year. This collection of images shows the effects of the epidemic over the last month in Africa.

A health worker in protective clothing carries a child suspected of having Ebola in the MSF treatment center on Oct. 5 in Paynesville, Liberia.

A woman prays for victims of the Ebola virus, on Oct. 4 in Saint Anthony's Catholic church in the capital of Sierra Leone, Freetown.

The shoes of a suspected Ebola patient are seen after being cordoned off with stones by local residents in Freetown, Sierra Leone, on Sept. 24.

A grave digger prepares a new grave outside an Ebola treatment center on Oct. 7 near Gbarnga, in Bong County in central Liberia.

A MSF nurse is prepared with personal protection equipment before entering a high risk zone of MSF's Ebola isolation and treatment center in Monrovia, Liberia.

People wait to enter the ELWA 3 Doctors Without Borders Ebola treatment center on Oct. 3 in Paynesville, Liberia.

A young girl suspected to be infected by Ebola has been moved to quarantine in a hospital, on Oct. 6 in Foredugu.

A staffer washes his hands in chlorinated water as sanitized boots dry at the MSF treatment center on Oct. 5 in Paynesville, Liberia.

U.S. Navy microbiologist Lt. Jimmy Regeimbal prepares to test blood samples for Ebola at the U.S. Navy mobile laboratory of on Oct. 7 near Gbarnga in Bong County of central Liberia.

People wash their hands with soap and bleach to prevent the spread of the Ebola virus on the usually busy main market road in the northern Senegalese city of Diaobe, one of the most important trading cities in West Africa.

A health worker, center, loads a suspected Ebola patient into the back of a ambulance in Freetown, Sierra Leone, on Sept. 24.

A health worker puts on protective gloves at an Ebola treatment center.

A Liberian Health worker, dressed in an anti-contamination suit, speaks to Banu, 4, in a holding center for suspected Ebola patients.

A member of a specialized Ebola inhumation team cleans a house on Oct. 6 in Magbonkoh.

A man sits in an empty street in downtown Freetown as a nationwide three-day curfew begins in order to conduct a governmental, UN-supported house-to-house campaign sensitizing individuals on the Ebola virus, in Freetown, Sierra Leone, on Sept. 19.

Health workers enter the high-risk zone as they make the morning rounds at the Bong County Ebola Treatment Unit in Sgt. Kollie Town near Gbarnga, Liberia, on Oct. 6.

Workers of a cleaning company collect garbage in Monrovia on Sept. 30.

A boy lies with his family in an Ebola holding center, formerly the maternity ward of Redemption Hospital on Oct. 3 in Monrovia, Liberia.

A Health worker is sprayed with disinfectant after removing his anti-contamination suit at a holding center for suspected Ebola patients.

A man who died from Ebola is carried off to be buried.

A burial team buries the body at a local graveyard.

Dennis Khakie, who initially tested positive for Ebola, celebrates as he walked out of the confirmed ward after receiving a negative laboratory testing for the virus.

A woman enters the Ebola treatment center on the outskirts of Monrovia.

A soiled surgical mask lies outside the Ebola treatment center at the Island Hospital on Oct. 6.