What Is a Process Indicator?
Reading a LogTag Temperature Recorder
Giving a Subcutaneous Injection
Monitoring Temperatures at Health Facilities
Assessing an Infant’s Eligibility for Immunization
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.