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Title

Assessment of temperatures in the vaccine cold chain in two provinces in Lao People's Democratic Republic: a cross-sectional pilot study.

Authors

Kitamura, Tomomi; Bouakhasith, Viraneth; Phounphenghack, Kongxay; Pathammavong, Chansay; Xeuatvongsa, Anonh; Norizuki, Masataro; Okabayashi, Hironori; Mori, Yoshio; Machida, Munehito; Hachiya, Masahiko

Abstract

Objective: All childhood vaccines, except the oral polio vaccine, should be kept at 2–8 °C, since the vaccine potency can be damaged by heat or freezing temperature. A temperature monitoring study conducted in 2008–2009 reported challenges in cold chain management from the provincial level downwards. The present cross-sectional pilot study aimed to assess the current status of the cold chain in two provinces (Saravan and Xayabouly) of Lao People's Democratic Republic between March–April 2016. Two types of temperature data loggers recorded the temperatures and the proportions of time exposed to 8 °C were calculated. Results: The temperature remained within the appropriate range in the central and provincial storages. However, the vaccines were frequently exposed to > 8 °C in Saravan and 8 °C during the transportation in Saravan and to both > 8 and < 0 °C in Xayabouly. Thus, challenges in managing the cold chain in the district storage and during transportation remain, despite improvements at the provincial storage. A detailed up-to-date nationwide analysis of the current situation of the cold chain is warranted to identify the most appropriate intervention to tackle the remaining challenges.

Subjects

VACCINES; TEMPERATURE; IMMUNIZATION; VACCINATION; HEALTH facilities

Publication

BMC Research Notes, 2018, Vol 11, Issue 1, pN.PAG

ISSN

1756-0500

Publication type

Academic Journal

DOI

10.1186/s13104-018-3362-1

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