Hemagglutinin Antibodies in the Polish Population during the 2019/2020 Epidemic Season

The aim of the study was to determine the level of antibodies against hemagglutinin of influenza viruses in the serum of subjects belonging to seven different age groups in the 2019/2020 epidemic season. The level of anti-hemagglutinin antibodies was tested using the hemagglutination inhibition (HAI...

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Bibliographic Details
Published in:Viruses 2023-03, Vol.15 (3), p.760
Main Authors: Szymański, Karol, Kondratiuk, Katarzyna, Hallmann, Ewelina, Poznańska, Anna, Brydak, Lidia B
Format: Article
Language:English
Subjects:
Antibodies
Antibodies, Viral
antibody
Antigens
Distribution
Epidemics
Genetic aspects
Hemagglutination inhibition
Hemagglutinins
Humans
Influenza
Influenza A Virus, H1N1 Subtype
Influenza A Virus, H3N2 Subtype
Influenza viruses
Influenza, Human
Measurement
Pandemics
Physiological aspects
Poland - epidemiology
Public health
Seasons
vaccine
Viral antibodies
virus
Viruses
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Summary:The aim of the study was to determine the level of antibodies against hemagglutinin of influenza viruses in the serum of subjects belonging to seven different age groups in the 2019/2020 epidemic season. The level of anti-hemagglutinin antibodies was tested using the hemagglutination inhibition (HAI) test. The tests included 700 sera from all over Poland. Their results confirmed the presence of antibodies against the following influenza virus antigens: A/Brisbane/02/2018 (H1N1)pdm09 (48% of samples), A/Kansas/14/2017/ (H3N2) (74% of samples), B/Colorado/06/ 2017 Victoria line (26% of samples), and B/Phuket/3073/2013 Yamagata line (63% of samples). The level of antibodies against hemagglutinin varied between the age groups. The highest average (geometric mean) antibody titer (68.0) and the highest response rate (62%) were found for the strain A/Kansas/14/2017/ (H3N2). During the epidemic season in Poland, only 4.4% of the population was vaccinated.
ISSN:1999-4915
1999-4915
DOI:10.3390/v15030760