Asked whether Tokyo could hold the Games if the virus situation remained unchanged, Mori said: "If things continue as they are now, we couldn't."
The UK government said 300 healthy people will be immunized with two doses of the COVID-19 vaccine candidate developed at Imperial, which has been backed by 41 million pounds in funding.
VijayRaghavan said the Council for Scientific and Industrial Research and the AICTE have also embarked on a drug discovery hackathon.
Among those who want a vaccine, the AP-NORC poll found protecting themselves, their family and the community are the top reasons.
Hyderabad-based vaccine maker Bharat Biotech and Thomas Jefferson University in Philadelphia, USA, will work towards developing a new vaccine for Covid-19.
Russia has reported 93 cases of infection but no deaths, according to official numbers published Tuesday.