the Dutch Vaccine from pharmacist
Janssen from Leiden are available as of April for all EU countries
one dosage of Janssen is enough, unlike Pfizer/BioNTech and Moderna, this year alone 1 billion of these should be produced, NY Times said production had a delay, the company however didn't confirm these claims
https://www.precisionvaccinations.co...ine-ad26cov2-s
here's info about this particular vaccine