Evidence map›Paper›PMID 35206453›Full record

ArticleInternational journal of environmental research and public health2022

Seropositivity of SARS-CoV-2 in the Population of Kazakhstan: A Nationwide Laboratory-Based Surveillance.

Yuliya Semenova, Zhanna Kalmatayeva, Ainash Oshibayeva, Saltanat Mamyrbekova, Aynura Kudirbekova, Ardak Nurbakyt, Ardak Baizhaxynova, Paolo Colet, Natalya Glushkova, Alexandr Ivankov and 1 more

Abstract read
In one paragraph

Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

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  8. PostCOVID-19 Impact on Perinatal Outcomes.Diagnostics (Basel, Switzerland) · 2024
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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

11 authors.

Yuliya SemenovaDepartment of Neurology, Ophthalmology and Otolaryngology, Semey Medical University, Semey 071400, Kazakhstan.ORCID 0000-0003-1324-7806
Zhanna KalmatayevaSchool of Medicine, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan.
Ainash OshibayevaAdministrative Office, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkestan 161204, Kazakhstan.
Saltanat MamyrbekovaSchool of Medicine, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan.ORCID 0000-0002-3840-4284
Aynura KudirbekovaInvitro-Kazakhstan Laboratory, Medical Department, Almaty 050000, Kazakhstan.
Ardak NurbakytDepartment of Public Health, Asfendiyarov Kazakh National Medical University, Almaty 050012, Kazakhstan.
Ardak BaizhaxynovaDepartment of Medicine, Nazarbayev University School of Medicine, Nur-Sultan 020000, Kazakhstan.
Paolo ColetDepartment of Medicine, Nazarbayev University School of Medicine, Nur-Sultan 020000, Kazakhstan.
Natalya GlushkovaSchool of Medicine, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan.ORCID 0000-0003-1400-8436
Alexandr IvankovIndependent Researcher, Almaty 050000, Kazakhstan.
Antonio Sarria-SantameraDepartment of Medicine, Nazarbayev University School of Medicine, Nur-Sultan 020000, Kazakhstan.ORCID 0000-0001-5734-7468

Funding

Nazarbayev University 021220CRP0822Nazarbayev University 280720FD1901
6 · The paper itself

Abstract

The data on seroprevalence of anti-SARS-CoV-2 antibodies in Kazakhstani population are non-existent, but are needed for planning of public health interventions targeted to COVID-19 containment. The aim of the study was to estimate the seropositivity of SARS-CoV-2 infection in the Kazakhstani population from 2020 to 2021. We relied on the data obtained from the results from "IN VITRO" laboratories of enzyme-linked immunosorbent assays for class G immunoglobulins (IgG) and class M (IgM) to SARS-CoV-2. The association of COVID-19 seropositivity was assessed in relation to age, gender, and region of residence. Additionally, we related the monitoring of longitudinal seropositivity with COVID-19 statistics obtained from Our World in Data. The total numbers of tests were 68,732 for SARS-CoV-2 IgM and 85,346 for IgG, of which 22% and 63% were positive, respectively. The highest rates of positive anti-SARS-CoV-2 IgM results were seen during July/August 2020. The rate of IgM seropositivity was the lowest on 25 October 2020 (2%). The lowest daily rate of anti-SARS-CoV-2 IgG was 17% (13 December 2020), while the peak of IgG seropositivity was seen on 6 June 2021 (84%). A longitudinal serological study should be envisaged to facilitate understanding of the dynamics of the epidemiological situation and to forecast future scenarios.

Indexed as

COVID-19SARS-CoV-2Antibodies, ViralHumansImmunoglobulin MKazakhstanLaboratoriesSeroepidemiologic StudiesAntibodies, ViralImmunoglobulin MCOVID-19Kazakhstanseropositivitysurveillance

Identifiers

PMID35206453
PMCPMC8872132

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Registered trials

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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.