ຕ້ອງໄດ້ສຶກສາເພີິ້ມເຕີມ ເພື່ອປ້ອງກັນ ອີໂບລາ

U.S. Centers for Disease Control and Prevention (CDC) Director Tom Frieden displays CDC educational materials as he testifies about the Ebola crisis in West Africa during a hearing of a House Foreign Affairs subcommittee on Capitol Hill, in Washington, DC, Aug. 7, 2014.

Diplomatic envoys gather for a briefing on the status of the Ebola disease control in Nigeria at the Foreign Affairs House, in Abuja,  Aug. 7, 2014.

Nigeria's Minister of Health Onyebuchi Chukwu addresses diplomatic envoys on the status of the Ebola disease control in Nigeria, at the Foreign Affairs House in Abuja, Aug. 7, 2014.

Locals suspect the unattended man in the street died from the deadly Ebola virus even though the government warns the public not to leave Ebola victims in the streets, in  Monrovia, Liberia, Aug. 5, 2014.

A man reads a local newspaper with headline news about a Lagos female doctor who contracted Ebola, in Lagos, Nigeria, Aug. 5, 2014.

Lagos State Health Commissioner Jide Idris at a news conference announcing that eight people with symptoms of Ebola are being kept in quarantine after they had contact with Patrick Sawyer, a victim of Ebola who died in July, Lagos, Nigeria, Aug. 5, 2014.

An ambulance carrying the American missionary Nancy Writebol, who was infected with Ebola in West Africa, drives past crowds of people, at Emory University Hospital, in Atlanta, Georgia Aug. 5, 2014.

At the U.S. Centers for Disease Control and Prevention officials are on a conference call with CDC team members deployed in West Africa from the agency's Emergency Operations Center, Aug. 5, 2014, in Atlanta.

Volunteers lower a corpse into a grave. They are using safe burial practices to reduce person-to-person transmission of Ebola, in Kailahun, Eastern Province of Sierra Leone, Aug. 2, 2014.