CDC issues highest alert in Ebola outbreak Updated: Thursday, August 7, 2014 WASHINGTON, D.C. (NEWSCHANNEL 3) - Major efforts are being made to stop the spread of the Ebola virus.The U.S. Centers for Disease Control and Prevention has issued its highest alert in response to the Ebola crisis in West Africa. The World Health Organization is meeting Thursday to discuss the outbreak as the death toll in this outbreak now reaches near a thousand.The CDC has issued a level 1 health alert here in the U.S. to safeguard our shores.In Liberia, one of the hardest hit countries, the president has declared a state of emergency.The level 1 response means that increased staff and resources will be devoted to the outbreak in the U.S.This is the first time the CDC has use this type of alert since 2009. That was over the H1N1 flu outbreak.The U.S. and its allies also plan to send additional medical workers overseas to help contain the Ebola outbreak.The FDA has authorized use of an un-approved Ebola virus test under a special emergency-use provision, but efforts to develop a vaccine for the deadly illness won't be successful until next year.In the four hardest hit countries many fear that people are hiding sick relatives and burying them in secret.In the latest outbreak, the virus has killed about 55 percent of those infected.President Obama is calling for more efforts to be made to stop the spread of Ebola. "Let's get all the health workers that we need on the ground. Let's help to bolster the systems that they already have in place. Let's nip as early as possible any additional outbreaks of the disease," said Obama.Liberia's president says residents may have to give up some of their civil rights so authorities can take all measures to try to stop the spread of Ebola.Two American aid workers who contracted Ebola while working in West Africa are showing signs of improvement. They're being treated at a hospital in Atlanta with experimental drugs.