What is the Vaccine Cold Chain?
How to Monitor and Record Refrigerator Temperatures
Positioning Infants and Children for Vaccination
Reading a LogTag Temperature Recorder
What Is a Process Indicator?
IIP-Vaccine Cold Chain
Use and basic maintenance of cold chain and temperature monitoring equipment
Some vaccines are sensitive to freezing. Once they have frozen, they should not be used. Fortunately, there is a way to tell if a freeze sensitive vaccine has been damaged by exposure to temperatures below zero degrees Celsius: the shake test.