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01/05/2023 Temperature Mapping Protocol 1
TEMPERATURE MAPPING PROTOCOL
UNICEF; July 2015
01/05/2023 Temperature Mapping Protocol 2
INTRODUCTION / OBJECTIVES
MAPPING PROTOCOL
DATA COLLECTION / ANALYSIS.
MAPPING REPORT
OUTLINE
CONCLUSION
Introduction
01/05/2023 Temperature Mapping Protocol 4
INTRODUCTION/OBJECTIVES
According to the EVM improvement plan 2014; E2 specifies the need to
conduct temperature mapping in all cold and
freezer rooms to support evidence-based
arrangement of vaccines
Identification of temperature deviations
affecting the chosen storage areas during the time of study, so that remedial
action can be taken
Mapping temperature
variations within the selected storage area
Documenting high and low temperature fluctuations caused
by the environmental control systems
operating at the time of the study
Identifying potential airflow
issues that may be the cause of temperature
variations
Measuring temperature
variations at each location within the chosen area, by day
of the week, and time of the day
01/05/2023 Temperature Mapping Protocol 5
Recommending safe location for the storage of vaccines in the WICRs
Identifying the best places to locate temperature sensors, for routine monitoring
Making recommendations for any remedial actions needed to overcome the problems identified in the study
EXPECTED OUTPUTS OF
THE MAPPING STUDY
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No mapping done!Vaccine exposed to air stream and at risk of freezing
Mapping Protocol
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Protocol
• Selection of Electronic data logging monitor (EDLMs); • Designation of Mapping team • Site Survey • Setting acceptance Criteria • Allocating EDLMs to respective locations • Record EDLM, monitoring sensors and thermostat locations • Labelling and programming of the EDLMs • Fixing EDLMS to positions • Conduct the Mapping exercise • Download and Consolidate the data
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STEP 1: Selection of Electronic data logging monitor (EDLMs)
• Multiple number of readings• Can be programmed to meet desired criteria• Data can be downloaded from the device into excel page• Accompanied soft ware for analysis
• No display• Sensor can be damaged when handled poorly
• Availability of display • Data can be downloaded from the device
• Already programmed to read daily maximum and minimum values• Limited lifespan• 30 days reading
01/05/2023 Temperature Mapping Protocol 10
STEP 2: DESIGNATION OF TEAM MEMBERS
Role Responsibility
Team Lead Coordination
Team Member Programming of loggers
Team Member Labeling and recording of loggers
Team member Placement/removal of loggers
Team Member Monitoring of activity log
Technical lead Downloading / recording of loggers
• Train / orientate team on mapping process
• Share responsibilities to each members
• Record their signatures and initials to track
activities
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STEP 3: Site Survey
• Length, width & height dimensions
• Drawing of each area
• Identify locations for the placement of each
EDLMs
• Identify location of cooling components
• Identify location of existing temperature
recording sensors and temperature controlling
sensors
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Step 4: Setting acceptance Criteria
• Programme devices to read for 48hours
• Minimum temperature ; 2C Maximum temperature ; 8C
• No of hours to switch between cooling unitStep 5: Designation of EDLMs
Width & Length;• EDLMs should be arranged in a grid fashion along the width & length,
EDLMs locations in every 5-10 meters• Chosen placement area should coincide with locations where vaccines
are actually stored or planned to be stored.
Height;• If the ceiling height is 3.6meters or less; EDLM should be placed
• Floor level, 1.2 meters, 3.0 meters• If the ceiling height is greater than 3.6meters, EDLMs can be arranged
• 0.3m, 1.8m, 3.6m, 5.4m
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Step 6; Record EDLM, monitoring sensors and thermostat locations
Step 7; Labelling and programming of the EDLMs
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Conduct the Mapping exercise
• Assign members to cold rooms with the required no of EDLMs
• Place all EDLMs in there respective locations (ensure it is placed on the shelves)
• Allow at least 15min for the loggers to adapt to the internal temperature before starting the loggers
• Put an activity log at the door entrance to monitor movement and other associated activities
• After 24hours, switch the cooling unit to the other unit
• After 48hours, remove all data loggers and download the readings.
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Conclusion on the overall temperature stability of the area being monitored and the range in fluctuations recorded over the period of study
Location of cold and hot spots in the WICRs
Factors associated to observed temperature variations
Recommendation on the optimum storage location for variant types of sensitive vaccines
Recommendation on optimum location of routine temperature logger placement in the WICRs
EXPECTATIONS AT THE END OF THE STUDY
Insufficient time not allowed for the EDLMs to be conditioned to the ambient temperature before the mapping exercise begins.
Source of potential Errors
An access log was not kept during the study so that any temperature excursions caused by personnel movement can easily be identified. As such Power outages were recorded.
WICR Mapping done
WICR Mapping not done yet
WFCR
Cold spots; 8 Hot spots; 13 Within range: 12Y /10N Analysis: The storage area is not safe for storage of freeze sensitive as we have more of hot
spots. The cold spots reading are also recording higher values Recommendation: There is need to recalibrate the temperature range for the CR (long term). Spacing of vaccines in the hot spots, continuous monitoring of VVMs (short terms) WICR 009; Penta
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• Implementation of recommendation • Adoption of protocol• Mapping cascading to zones• Sustaining for the next three years / Routine temperature
review(daily, weekly, monthly, quarterly, yearly).• Results publishing as part of DLHCs operations (end of year)
Conclusion
01/05/2023 Temperature Mapping Protocol 20
THANK YOU!!!