Moderna Covid vaccine shows nearly 95% protection

Early data shows a new vaccine from Moderna could be 95% effective against Covid-19. Michael Kinch is a vaccine specialist and associate vice-chancellor at Washington University in St Louis, and explains the implications of this latest development in the fight against coronavirus. Also in the programme, the BBC's Vishala Sri-Pathma explores how Sri Lanka has been hit by the pandemic, as it continues to be a political and economic battleground for the US, China and India. Plus, as a SpaceX capsule carrying four astronauts continues its journey towards the International Space Station, following a successful launch from NASA's Kennedy Space Centre in Florida, University of Oxford astrophysicist Dr Becky Smethurst discusses the wider significance of this first commercial flight for the new transport system.

(Picture: Hands holding a syringe and a vial. Picture credit: Getty Images.)