The UN health agency stressed the urgency of learning the lessons drawn from the outbreak that has killed more than 11,100 people in west Africa, calling for strengthening health systems so they can rapidly detect and counter looming disasters.
The world, senior WHO official Ruediger Krech said, had to create a health system "built to withstand shocks whether from an outbreak like Ebola, a natural disaster or a financial crisis."
At least 28 other countries worldwide, mainly Africa, Asia and Latin America, have weak systems, Krech said.
The Ebola outbreak began in late 2013 in Guinea, but was permitted to spread silently for three months before the WHO and the region raised the alarm. The crisis sparked a global health scare, with the humanitarian response especially gaining momentum once stray cases were detected in United States and some European countries.

On Wednesday, the WHO's annual decision-making assembly approved a significant hike in its budget for 2016-17 to among other things help strengthen health systems in west Africa and elsewhere.

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