SONIA ELKS RICH nations stand to lose hundreds of billions of dollars in economic output over the next five years if poorer countries do not get equal access to COVID-19 vaccines, a report said on Thursday as concerns grow about "vaccine nationalism". As the World Health Organisation (WHO) seeks to plug funding gaps in its ACT Accelerator programme for global COVID-19 treatments, researchers said their findings showed there was a financial - as well as a moral - case for ensuring equal access. "Governments are increasingly focusing on investments that can help their own economies to rebound," said Hassan Damluji,…