Countries also need to make significant investments in research, Swaminathan said. Share Via Email | A+A A- By PTI THIRUVANANTHAPURAM: Chief Scientist of the World Health Organisation (WHO) Sowmya Swaminathan on Saturday said the need of the hour was a people-centric health system and countries investing more in research in the health sector. Delivering the keynote address at the fourth edition of the 'Global Ayurveda Festival 2021,' she saidit is essential for people to achieve health literacy. "What is needed is a people-centric health system. Significant developments in the healthcare system can be achieved through creating awareness among the common man considering their opinion too," she said.