After positive clinical trials for antiviral drug Molnupiravir, it joins other medicines that have shown promise
The first clinical trial results showing a positive effect for a pill that can be taken at home has been hailed as a potential gamechanger that could provide a new way to protect the most vulnerable people from the worst effects of Covid-19. Molnupiravir joins a growing list of medicines that have shown promise. Here are some of the main developments in treatments so far.