Animal trials, using the same mRNA technology as successful Covid vaccines, have gone well, scientists say.
- Vaccines to treat cancer possible by 2030, say BioNTech founders
- Scientists hope nasal vaccines will help halt Covid transmission
- Covid live: booster shots to be added to England travel pass; Austria to enter national lockdown, make vaccines mandatory
- Coronavirus live: UK sees highest daily death toll since February; Greek cases set new record high