期刊
INTERNATIONAL REVIEWS OF IMMUNOLOGY
卷 41, 期 4, 页码 438-447出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/08830185.2021.1939696
关键词
Allergy; COVID-19; hypersensitivity; thrombosis; vaccines
类别
资金
- research program Talento Investigador of the Community of Madrid (Regional Ministry of Science, Universities, and Innovation, Madrid, Spain)
- Strategic Health Action (AES 2020), Carlos III Health Institute, Spanish Ministry of Science and Innovation [PI20/00351]
- European Regional Development Fund
- Community of Madrid [2019-T1/BIO-12690]
The development of vaccines for COVID-19 began at the start of the pandemic and four vaccines have been authorized by international agencies. These vaccines have shown a significant decrease in infections and deaths, but rare adverse events have also been reported.
Vaccines for the prevention of coronavirus disease 2019 (COVID-19) started to be developed since the initiation of the COVID-19 pandemic. Up to now, four vaccines have been authorized by international agencies such as European Medicines Agency (EMA). Two are DNA vaccines (ChAdOx1 nCov-19 and Ad26.COV2.S) and two mRNA vaccines (BNT162b2 and mRNA-1273). The administration of the vaccines has been associated with a strong decrease in the infections by SARS-CoV-2 and deaths associated with it. However, in parallel to these results, some rare adverse events have also been described. In that sense, events of thrombosis, thrombocytopenia, and hemorrhage have been described in close temporal proximity to the administration of the DNA vaccines ChAdOx1 nCov-19 and Ad26.COV2.S, but also mRNA vaccines. Recent scientific reports have been released with updated information on the possible association of thrombotic thrombocytopenia and COVID-19 vaccines. On the other hand, since the initiation of the vaccination campaigns, adverse hypersensitivity reactions have been described after mRNA and DNA vaccines administration for COVID-19. Although globally these adverse events are rare, a high proportion of the world population will be exposed to these vaccines. For that reason, their safety and tolerance should be carefully considered. In this review, we provide an updated review of the last scientific findings that can explain the rare side effects that the vaccines for COVID-19 can produce.
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