On Tuesday, Oxford University received a donation of £100 million ($136 million) to research growing resistance to antibiotics.
The donation, contributed by British multinational chemicals production company Ineos, is one of the largest donations given to Oxford University in its long history.
Johnson said more than 1.3 million people had been vaccinated as of Tuesday afternoon, adding that nearly 1,000 vaccination sites would be ready by the end of the week.
The country's drug regulator on Sunday gave emergency use approval to two coronavirus vaccines - one developed by AstraZeneca and Oxford University and the other by local company Bharat Biotech.
MSCI's broadest index of Asia-Pacific shares outside Japan hit a record high on hopes that the rollout of coronavirus vaccines will eventually help revive the global economy.