"It was really difficult to manage the mass casualty situation, but many MSF and Ministry of Health staff came on their day off and from other facilities to support," Abraham Deng Lual Wek, an MSF nurse supervisor, told the BBC on Tuesday.
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The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental conditions.