eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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4/2019
vol. 44
 
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abstract:
Clinical immunology

Seroprevalence of IgG antibodies against measles in a selected Polish population – do we need to be re-vaccinated?

Justyna Holka
,
Katarzyna Pawlak
,
Olga Ciepiela

(Centr Eur J Immunol 2019; 44 (4): 380-383)
Online publish date: 2020/01/20
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Introduction
Measles is highly contagious, but preventable viral disease. Its outbreaks appear all over the world, and decreasing herd immunity excludes its elimination. High levels of IgG antibodies against a virus efficiently protects against infection.

Aim of the study
To assess the seroprevalence of anti-measles IgG in the serum of patients at different age levels tested for measles IgG at our laboratory.

Material and methods
The study was conducted from March to June of 2019. Retrospective analysis included results for measles-specific IgG from 364 tested patients. The age of enrolled subjects ranged from four months to 101 years, with a median age of 46, and a mean age of 43 ±18. Quantification of anti-measles IgG was performed using indirect chemiluminescence immunoassays on the DiaSorin Liaison® automated analyzer.

Results
Our results showed a seropositivity ratio of 78.02%. The lowest number of seropositive subjects was in the group of infants (0-1 years old), with a ratio of 53.85%, and the group of adults of 19-38 years old at 55.68%. The group of the oldest patients (70-101 years old) had the highest ratio of seropositive subjects (100%), while adults of 60-69 years old had a seropositivity ratio of 97.22%.

Conclusions
These data suggest that the group of young adults who were vaccinated with one or two doses of MMR vaccine in childhood are the most susceptible for infection, and when working in contact with other people, should be re-vaccinated for protection against measles.

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(Centr Eur J Immunol 2019; 44 (4): 380-383)

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