Evidence map›Paper›PMID 34703812›Full record

ArticleClinical and experimental vaccine research2021

Reactogenicity after the first and second doses of BNT162b2 mRNA coronavirus disease vaccine: a single-center study.

Yu Min Kang, Jaegyun Lim, Kang-Won Choe, Ki-Deok Lee, Dong Ho Jo, Moon Jung Kim, Jong Min Kim, Kwang Nam Kim

Open access · diamondAbstract read
In one paragraph

Article in Clinical and experimental vaccine research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.7field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 11 citations in OpenAlex.

  1. Trial
  2. Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Yu Min KangDivision of Infectious Diseases, Department of Internal Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0002-4368-9878
Jaegyun LimDepartment of Laboratory Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0002-3553-0058
Kang-Won ChoeDivision of Infectious Diseases, Department of Internal Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0003-2003-6492
Ki-Deok LeeDivision of Infectious Diseases, Department of Internal Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0001-7668-6158
Dong Ho JoDivision of Infectious Diseases, Department of Internal Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0003-4560-9082
Moon Jung KimDepartment of Laboratory Medicine, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0003-4148-9116
Jong Min KimDepartment of Pediatrics, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0002-5594-4864
Kwang Nam KimDepartment of Pediatrics, Myongji Hospital, Goyang, Korea.ORCID https://orcid.org/0000-0003-4024-5128
Myongji Hospital · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study was conducted to determine differences in adverse events associated with the first and second doses of the BNT162b2 coronavirus disease 2019 vaccine based on the age and sex of recipients. MATERIALS AND

methodsAn online survey on the post-vaccination adverse events of healthcare workers was conducted from March 2021 to April 2021. The differences in the types of adverse events, including severity, onset time, and duration of symptoms, and how the adverse events were dealt with by the patient were analyzed based on the age and sex. The profiles of adverse events were compared after the first and second vaccination doses.

resultsAmong the 131 participants who participated in the online survey out of 208 vaccine recipients, 43 and 80 recipients of the BNT162b2 vaccine experienced adverse events after the first and second dose, respectively. No sex-related differences were observed in the profiles of adverse events in vaccinated recipients. The overall frequency of adverse events did not differ based on age after the first dose. After the second dose, the frequency of adverse events, including both local and systemic reactions was significantly higher in the younger age group than in the older age group.

conclusionThe BNT162b2 vaccine resulted in a higher frequency of adverse events after the second dose than after the first dose especially in the younger age group; however, no sex-related differences associated with these adverse events were observed.

Indexed as

BNT162b2COVID-19ImmunitySafetyVaccine

Identifiers

PMID34703812
PMCPMC8511587
OpenAlexW3207632688

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.