Updated Dec 17, 2020 | 07:15 IST Some countries such as the UK, and the US have already begun vaccinations against COVID-19. Here are the latest updates from COVID-19 vaccine candidates from around the world. COVID vaccine update: Moderna inches closer to emergency use approval in US; Valneva begins trials in Britain | Photo Credit: Reuters New Delhi: Vaccinations against COVID-19 have already begun or soon will, in many countries around the world, after leading candidates such as Pfizer-BioNTech received approvals in the UK, US, and Singapore, among other countries. However, many countries are still reviewing various vaccines, in a bid to fight the COVID-19 pandemic. With more than 200 vaccines under development all around the world, a few of them are towards the end of human trials and are looking promising.