# A Trial Investigating the Safety and Effects of Four BNT162 Vaccines Against COVID-2019 in Healthy Adults

> clinical trial

**Wikidata**: [Q93704395](https://www.wikidata.org/wiki/Q93704395)  
**Source**: https://4ort.xyz/entity/a-trial-investigating-the-safety-and-effects-of-four-bnt162-vaccines-against-covid-2019-in-healthy-adults