Public health programmes around the world could be cut due to the US leaving the WHOJohn Moore/ Getty ImagesIn one of his first executive orders as president, Donald Trump has begun the process of withdrawing the US from the World Health Organization (WHO). One years notice is required to retreat from the international public health body, at which time the US will stop contributing funds. The impact could be huge. In recent years the US has contributed nearly a fifth of the WHOs $6.8 billion budget.In a statement released with the order, the