A look at the state of the vaccine race

Many companies and institutions across the planet are trying to develop an effective vaccine to curb the spread of Covid-19 which has claimed more than 950,000 lives globally.

Several vaccine candidates are now firmly in the third and the largest phase of trials. Here’s what we know about the landscape.

An employee demonstrates vials with "Gam-COVID-Vac" vaccine against the coronavirus disease (COVID-19), at the Binnopharm pharmaceutical plant, , in Zelenograd near Moscow, Russia. (REUTERS)