'Try & combine vaccines': Sputnik makers to AstraZeneca

Developers of the Sputnik V Covid-19 vaccine said on Thursday that AstraZeneca should try combining its experimental shot with the Russian one to boost efficacy, news agency Reuters has reported. Russia said its Sputnik V vaccine is 92% effective at protecting people from Covid-19, according to interim trial results, while AstraZeneca said its Covid-19 vaccine was 70% effective in pivotal trials and could be up to 90% effective. The Russian developers tweeted on Thursday that if AstraZeneca goes for a new trial, it should try combining its shot with theirs.