World Health Organisation (WHO) Chief Scientist Soumya Swaminathan on Monday (local time) said that the global health body strongly believes that Trade-Related Aspects of Intellectual Property Rights (TRIPS) waiver to COVID-19 vaccines at the World Trade Organisation (WTO) should be done.In an exclusive interview with ANI, Swaminathan said: "WHO strongly believes that the TRIPS waiver that has been proposed by India and South Africa should be done.