"The situation and the risk are being seen as moderate," WHO spokesperson Tarik Jasarevic told reporters at a briefing in Geneva.
"This is because the lab cannot provide its main function, that is to provide the analysis and the diagnostics because of the lack of fuel and lack of trained staff."
WHO's representative in Sudan said last week there was a "high risk of biological hazard" in Sudan's capital Khartoum after one of the warring parties seized the laboratory holding cholera pathogens and other hazardous materials.
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