What does Trump's US exit from the WHO mean for Africa?

The African Union expressed dismay over President Trump's decision to withdraw the US from the World Health Organization. The US is the biggest financial contributor to the organization and its departure may endanger programs tackling tuberculosis, HIV/AIDS and other health crises. Josey Mahachi speaks to former health minister of Zimbabwe, Dr David Parirenyatwa, and DW's Privilege Musvanhiri.