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Problem of rubella in Poland after compensatory outbreak in 2013
Edyta Abramczuk1, Agnieszka Częścik1, Katarzyna Pancer1
1Department of Virology, National Institute of Public Health-National Institute of Hygiene, Warsaw, Poland
Abstract:
The attempt to estimate the real number of rubella cases in the years 2015-2016 in Poland was presented in this paper. The relations between number of reported cases of measles in 2006-2015y., the number of laboratory-confirmed cases of rubella among cases suspected of measles and the proportion of rubella among patients suspected of measles in the last 10 years as well as the results of serological examination in samples from 74 patients suspected of rubella collected in the first half of 2016 year were analysed. The sera from patients suspected of rubella were collected in cooperation with the State Sanitary Inspection. The analysis of data collected during the study-cases of suspected measles (2006-2016) and rubella infections (in 2016y.) indicated high over-registration of rubella in recent years in Poland, which is associated with a very low rate of laboratory confirmed cases.
Insights
This study reveals significant over-registration of rubella cases in Poland during 2015-2016. Analysis showed a low rate of laboratory-confirmed rubella infections, indicating potential misdiagnosis of measles.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Accurate estimation of rubella incidence is crucial for public health surveillance and control.
- Previous data suggested a high number of rubella cases in Poland.
- Understanding diagnostic discrepancies is vital for effective disease management.
Purpose of the Study:
- To estimate the actual number of rubella cases in Poland between 2015 and 2016.
- To analyze the relationship between reported measles and confirmed rubella cases.
- To assess the accuracy of rubella diagnosis in suspected cases.
Main Methods:
- Analysis of reported measles cases (2006-2015) and suspected rubella cases (2006-2016).
- Examination of laboratory-confirmed rubella cases and serological results from 74 patients in 2016.
- Correlation analysis between reported cases and laboratory confirmation rates.
Main Results:
- Significant over-registration of rubella cases was identified in recent years in Poland.
- A very low rate of laboratory-confirmed rubella infections was observed among suspected cases.
- The study highlights discrepancies between reported and confirmed rubella diagnoses.
Conclusions:
- Reported rubella incidence in Poland is likely overestimated due to diagnostic challenges.
- Improved laboratory confirmation is essential for accurate rubella surveillance.
- Public health strategies need to address the over-registration of rubella cases.
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