The effectiveness of Covid-19 vaccines is becoming clear from the difference in the number of people admitted to hospital between those who have received at least one vaccine dose and those who have had none
The scientific process is like a hamburger. By examining the quality of each ingredient, you can see how good the end product is. You wouldn’t want mouldy bread or wilted lettuce ruining a perfectly good meal — and similarly you don’t want bad science ruining what could otherwise be a perfectly good vaccine. We look at whether Sputnik V could make it onto the menu.
Russia’s COVID vaccine, Sputnik V, is plagued by a series of red flags and question marks surrounding its clinical trials and results. Here’s how the jab took a shortcut and created sceptics about its underlying science.