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African Health Sciences
Makerere University Medical School
ISSN: 1680-6905
EISSN: 1680-6905
Vol. 11, No. 1, 2011, pp. 128 - 133
Bioline Code: hs11019
Full paper language: English
Document type: Research Article
Document available free of charge

African Health Sciences, Vol. 11, No. 1, 2011, pp. 128 - 133

 en Assessing cold chain status in a metro city of India: an intervention study
Mallik, S.; Mandal, P.K.; Chatterjee, C.; Ghosh, P.; Manna, N.; Chakrabarty, D.; Bagchi, S.N. & Dasgupta, S.


Background: Cold chain maintenance is an essential activity to maintain the potency of vaccines and to prevent adverse events following immunization. One baseline study highlighted the unsatisfactory cold chain status in city of Kolkata in India.
Objectives: To assess the changes which occurred in the cold chain status after the intervention undertaken to improve the status and also to assess the awareness of the cold chain handlers regarding cold chain maintenance.
Methods: Intervention consisted of reorganization of cold chain points and training of health manpower in Kolkata Municipal area regarding immunization and cold chain following the guidelines as laid by the government of India. Reevaluation of cold chain status was done at 20 institutions selected by stratified systematic random sampling after the intervention. The results were compared with baseline survey.
Results: Significant improvement had been observed in correct placing of cold chain equipment, maintenance of stock security, orderly placing of ice packs, diluents and vaccines inside the equipment, temperature recording and maintenance. But awareness and skill of cold chain handlers regarding basics of cold chain maintenance was not satisfactory.
Conclusions: The success of intervention included significant improvement of cold chain status including creation of a designated cold chain handler. The gaps lay in non-availability of non-electrical cold chain equipment and separate cold chain room, which policy makers should stress. Cold chain handlers need reorientation training regarding heat and cold sensitive vaccines, preventive maintenance and correct contingency plan.

Cold chain maintenance, cold chain equipment, intervention study

© Copyright 2011 African Health Sciences.

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