The nice thing about the EU is that there communications are pretty upfront. Here is their vaccine strategy page -
https://ec.europa.eu/info/live-work-...blic-health_en
Here's a short summary;
Contracts in place
AstraZeneca/Oxford vaccine - contact for 300million doses plus option for an additional 100million
Sanofi/GSK - 300million doses
Janssen - 200million doses plus option for an additional 200million
BioNTech/Pfizer - 200million doses plus option of an additional 100million
Talks in place;
Moderna - 80million doses
Curevac - 225million doses
The Sanofi/GSK one is the safe bet. The BioNTech, Moderna and Curevac ones are all mRNA vaccines which are a new technology but seem to give a storming immune response. The Janssen and AZ/Oxford ones are the 'risky' bets.
Looking through the candidates out there, there are some strange vaccines in trials right now!