Nigeria, Jan. 28 -- The US Centre for Disease Control and Prevention (CDC) employees have been directed to stop working with the World Health Organisation (WHO) effective immediately.

The memo further instructed that CDC staff are prohibited from visiting WHO offices.

The CDC's decision to cease collaboration with the WHO stems from President Donald Trump's directive to withdraw the United States from the global health body.

One of these is the US withdrawal from the WHO, which had been predicted to hamper the agency's activities.

However, the president had argued that the US withdrawal was due to the inappropriate political influence of member states on the global body.

"The organisation's mishandling of the COVID-19 pandemic that a...