These stressful and unprecedented circumstances we are living in due to the current pandemic have a deep internal effect on us, which is altering who we are as individuals, our relationships with others, and how we perceive our place in society. Even our brain's hippocampus may have shrunk — but are these changes in our brains and behaviour short-term effects or could they change us and society more profoundly?
A range of Covid-19 vaccines are being developed worldwide and the differences between them can be confusing. How do the new mRNA vaccines work? What about vector vaccines? We asked scientists to give us an insight into the different types of Covid-19 vaccines.