WORLD Health Organization (WHO) is to send an international team led by the U.N. agency to China in the first week of January to investigate the origins of the coronavirus pandemic. Mike Ryan, WHO's top emergency expert, said international experts would go to the central Chinese city of Wuhan, where the first cases of COVID-19 were detected last December. "We still don't have a take-off date because we are working on the logistics around visas and flights. We do expect the team to be going there in the first week of January. There will be quarantine arrangements," Ryan told a…