How groundbreaking Covid vaccine science has given the world hope

The hurdles As Boris Johnson said at a press conference on Monday: “We’ve cleared one significant hurdle, but there are several more to go before we know the vaccine can be used.” Crucial information about the vaccine is not yet available, such as...

Covid vaccine breakthrough ‘a great day for humanity’

The trial results come from a Phase 3 study of 43,538 participants in six countries, with most having now received two doses. The case split between vaccinated individuals and those who received the placebo indicates a vaccine efficacy rate above 90 per cent, at seven...