LONDON (Reuters) - 1/DATA DIAGNOSISWe'll soon get the first proper glimpse at the economic damage the coronavirus is inflicting. China's official Purchasing Managers' Index is due on Saturday, and is expected to show the sharpest manufacturing contraction since the 2008 global financial crisis. Then comes Korean trade data on Sunday, followed by regional PMIs on Monday, Malaysia's January export stats on Tuesday and those from Australia on Wednesday. Just as infection figures have guided..