The State of Public Emergency will allow the country to take "a more robust approach," including calling up members of the security forces to protect health officials and quarantine epicenters.
"The disease is beyond the scope of any one country, or community to defeat," he said in a statement, adding that he has canceled a planned trip to Washington for a U.S.-Africa summit next week. "Its social, economic, psychological and security implications require scaling up measures at international, national, inter-agency and community levels."
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He said that house-to-house searches would be implemented to trace Ebola victims and quarantine them. He also said that new protocols had been established for passengers arriving and departing Lungi International Airport outside Freetown, but did not provide further details.
-- By Cassandra Vinograd of NBC News