Safety surveillance after BNT162b2 mRNA COVID-19 vaccination: results from a cross-sectional survey among staff of a large Italian teaching hospital.
Acta Biomed
; 92(S6): e2021450, 2021 10 01.
文章
在 英语
| MEDLINE | ID: covidwho-1472541
ABSTRACT
BACKGROUND AND AIM:
Comirnaty® was the first COVID-19 vaccine available for the vaccination campaign of healthcare workers in Italy. With the aim of assessing vaccine safety, we conducted a cross-sectional survey administrating a voluntary-based questionnaire on adverse events following immunisation (AEFIs) in San Raffaele Hospital, Milano, Italy.METHODS:
From 4th January 2021 to 27th April 2021, we collected 2,659 questionnaires (response rate 24,5%). We analyzed data, reporting AEFIs by gender, age, self-reported severity, type, time of insurgence and duration, and estimating relative-risk ratios (RRR) and corresponding 95% confidence intervals (CI).RESULTS:
The most reported symptoms were injection site pain, fatigue, headache, myalgia, chills, fever, and arthralgia. Severe systemic reactions were more frequent after receiving the second dose (RRR 6.25, 95% CI 4.57-8.55), in women (RRR 3.33, 95% CI 2.30-4.82), and less frequent in individuals aged 60 or more (RRR 0.26, 95% CI 0.14-0.49). In addition, we noted a wide range of adverse events of special interest (AESIs).CONCLUSIONS:
Consistently with clinical trials and pharmacovigilance surveillance, AEFIs were frequent, but severe ones were uncommon, supporting the massive implementation of the COVID-19 vaccination campaign and providing valuable data for a risk profiling of vaccinees. (www.actabiomedica.it).
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MEDLINE
主要主题:
Vaccination
/
COVID-19 Vaccines
/
COVID-19
研究类型:
观察性研究
/
预后研究
/
随机对照试验
话题:
疫苗
限制:
女性
/
人类
/
男性
国家/地区名称主题:
欧罗巴
语言:
英语
期刊:
Acta Biomed
期刊主题:
医学
年:
2021
类型:
文章
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