COLD CHAIN METHODS AND EQUIPMENT
Walk-in-freezer (WIF)
Temperature-15 to -25°C
Location of use-National, State and Regional vaccine store
Walk-in-Coolers (WIC)
Temperature-2 to 8°C
Location of use-Government medical store depot, state and regional vaccine store
Deep Freezer (DF)
Temperature -15 to -25°C
Location of use-District level and above
Ice lined refrigerator (ILR)
Temperature-2 to 8°C
Location of use-For freezing of ice packs at sub-district levels
District and sub-district level
Domestic refrigerator (Front load refrigerator)
Temperature-2 to 8°C
Location of use-Private clinic, Nursing home
Cold boxes
Temperature-Fully frozen ice packs are placed at bottom and sides
Location of use-Used for transportation of vaccine in all peripheral centers
Vaccine carriers-
Temperature-4 fully frozen ice packs are used
Location of used-Used for outreach section and can carry 16 to 20 vials at a time
Day carrier
Temperature-2 fully frozen ice packs are used
Location of used-Can carry 6 to 8 vials for few hours, mainly used in a nearby session.

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