(CNN) -- The head of the World Health Organization decries the lack of investment for Ebola cures and vaccines. Thousands of children orphaned by Ebola might get more help. And an American nurse speaks out about her quarantine orders.
Here are the latest developments in the Ebola outbreak:
Health workers in Monrovia, Liberia, cover the body of a man suspected of dying from the Ebola virus on Friday, October 31. Health officials say the Ebola outbreak in West Africa is the deadliest ever. More than 4,900 people have died there, according to the World Health Organization.Photos: The Ebola epidemic 
Ebola survivor reunites with dog 
Ebola and the midterms WEST AFRICA DEVELOPMENTSLack of investment decriedWHO Director-General Dr. Margaret Chan decried the lack of investment for Ebola cures and vaccines, suggesting many aren't motivated by a disease crippling poor African countries. 'A profit-driven industry does not invest in products for markets that cannot pay,' Chan said in her address to the Regional Committee for Africa.
UNICEF to boost staff
The United Nations' children's agency will double its staff in the three most devastated countries to 600, the U.N. said. An estimated 5 million children are affected and about 4,000 children have become orphaned from the current epidemic, it said.
Cases and death toll climb
The transmission of Ebola is still 'widespread and intense' in Guinea, Liberia and Sierra Leone, the World Health Organization said Monday. There have been 13,567 cases of Ebola worldwide, and 4,951 deaths.
Complete coverage on EbolaU.S. DEVELOPMENTSQuarantined nurse breaks silence
Nurse Kaci Hickox has cut a deal with authorities that permits her to travel, more or less freely, while monitoring her health. But Hickox, who recently returned to the United States after treating Ebola patients in Sierra Leone, says she won't go into town where she lives or public places, even though she's allowed.
CNN's Susanna Capelouto and Dana Ford contributed to this report.
