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- Title
Graphic-output temperature data loggers for monitoring vaccine refrigeration: implications for pertussis.
- Authors
McColloster, Patrick; Vallbona, Carlos
- Abstract
We conducted the first US study using graphic-output temperature data loggers in quantifying cold chain failure. Fifty-four vaccine refrigerators of a county outpatient health system were studied. Forty-eight percent maintained temperatures of 2°C to 8°C and 24% had protracted periods of temperatures less than 0°C. The correlation between the percentage of refrigerators with freezing temperatures and the pertussis rate for each health region was r = 0.76. The findings suggest that improper vaccine storage may have contributed to recent increases in pertussis rates.
- Publication
American journal of public health, 2011, Vol 101, Issue 1, p46
- ISSN
1541-0048
- Publication type
Journal Article
- DOI
10.2105/AJPH.2009.179853