Donald Trump has threatened to stop US funding to the World Health Organisation as he seeks to shift the blame for the disaster wrought by the coronavirus pandemic, saying the body had “missed the call” – despite himself ignoring a memo from trade adviser Peter Navarro in February warning of the coming storm.With the US now suffering almost 396,000 cases of the virus and recording nearly 13,000 casualties, the president has said he is sending 200 ventilators to the UK to assist with the British recovery.