Do you know what the 3 phases of clinical trials to test vaccines in humans are?

Learn in YOUR language how vaccines are approved in the EU at the European Vaccination Information Portal 🇪🇺

https://vaccination-info.eu/en/vaccine-facts/approval-vaccines-european-union

#EUVaccinationPortal #vaccineswork

🐦🔗: https://n.respublicae.eu/ECDC_EU/status/1658744167277924353