Commendable that India has been able to keep Covid-19 cases very low compared to other nations: WHO's chief scientist

World Health Organisation's Chief Scientist Soumya Swaminathan on Monday commended India for keeping the coronavirus cases and deaths very low compared to other countries and said it will play an important role in the development of a vaccine for Covid-19.She said the whole world has to be prepared for the ongoing transmission of infection for "many many months and for perhaps years to come".