Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

letter

. 2021 Jun 15;76(6):1943–1944. doi: 10.1111/all.14761

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 EAACI and John Wiley and Sons A/S. Published by John Wiley and Sons Ltd.

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

PMC Copyright notice

Active components and excipients listed in BNT162b2, mRNA‐1273, and AZD1222 vaccines. The principles of the PEGylated‐lipid nanoparticles as a delivery system for the mRNA in BNT162b2, mRNA‐1273 vaccines are depicted in the upper part together to the replication‐deficient adenovirus ChAdOx1 vector containing the gene of the glycoprotein spike (S) antigen of SARS‐CoV‐2 for the AZD1222 vaccine. Potential triggers of allergic reactions are indicated in red color in the excipient lists of each vaccine