DAVID STANWAY AS a team from the World Health Organization (WHO) prepares to visit China to investigate the origins of COVID-19, Beijing has stepped up efforts not only to prevent new outbreaks, but also shape the narrative about when and where the pandemic began. China has dismissed criticism of its early handling of the coronavirus, first identified in the city of Wuhan at the end of 2019, and foreign ministry spokeswoman Hua Chunying said on Monday that the country would welcome the WHO team. But amid simmering geopolitical tensions, experts said the investigators were unlikely to be allowed to scrutinise…