Cluster sampling methodology to evaluate immunization coverage.

Autor:	Sharma A; Department of Community Medicine, School of Medical Sciences & Research, Sharda University, Greater Noida 201306, UP, India. aishwarya_712@yahoo.in., Jain RB; Department of Community Medicine, World College of Medical Sciences & Research, Jhajjar 124103, Haryana, India., Satija J; Department of Community Medicine, ESIC Medical College & Hospital, Faridabad 121012, Haryana, India., Sharma A; Department of Community Medicine, Hamdard Institute of Medical Sciences & Research, New Delhi 110062, India., Sharma A; Department of Community Medicine, Pt. B.D. Sharma Post Graduate Institute of Medical Sciences, Rohtak 124001, Haryana, India., Shekhawat S; Independent Biostatistician, Ghaziabad 201014, UP, India.
Jazyk:	angličtina
Zdroj:	World journal of methodology [World J Methodol] 2024 Sep 20; Vol. 14 (3), pp. 92344. Date of Electronic Publication: 2024 Sep 20 (Print Publication: 2024).
DOI:	10.5662/wjm.v14.i3.92344
Abstrakt:	Background: Immunization is a key component of primary health care and an indisputable human right. Vaccines are critical to the prevention and control of infectious disease outbreaks. The coronavirus disease 2019 (COVID-19) pandemic and associated disruptions over the past two years have strained the health systems, with many children missing out on essential childhood vaccines. Aim: To evaluate the immunization coverage among 12-23-month-old children in the rural areas of Community Health Centre (CHC) Dighal and to determine the factors influencing the existing immunization coverage. Methods: A coverage evaluation survey was conducted according to the 30-cluster sampling technique, which is the standard methodology for such surveys devised by World Health Organization. A total of 300 children aged 12-23 months were included, whose immunization details were noted from their immunization cards. Results: Full immunization rate was noted in 86.7% of the children, with partial and non-immunized children accounting for 9% and 4.3% respectively. The full immunization dropout rate was 4.2%. The common reasons for partial or non-immunization were family problem including illness of mother, vaccine not being available and child being ill. Place of birth ( P = 0.014) and availability of immunization card ( P < 0.001) were significant predictors of the immunization status. Since the study was conducted in 2020/2021, health services were disrupted due to the COVID-19 lockdown. Conclusion: Due to the coverage being higher than the national average, it was concluded that the immunization coverage was optimal and not affected by the COVID-19 pandemic. Competing Interests: Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article. (©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.)
Databáze:	MEDLINE
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