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Rollex Group








  
 
    
  

  
 
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           Safe  Vaccine Storage
        

        
 
          
          

            
What's the difference between a vaccine and a cut lunch?

What's the difference between a vaccine and a cut lunch?

The 
        recommended storage range for vaccines is between +2 degrees Celsius and 
        +8 degrees Celsius. Any deviation from this temperature range results 
        in some degradation of the vaccine, this effect is cumulative and cannot 
        be reversed. With each exposure to temperatures above +8 degrees the effectiveness 
        of the vaccine is diminishes, with Polio vaccine being the most sensitive.

      
Most vaccines are damaged or destroyed by freezing: Diptheria, Tetanus, 
        Hepatitis A and Haemophilus influenza type b lose their potency and must 
        be discarded if frozen. Hepatitis B vaccine is destroyed by freezing.

      
General current practise is to use domestic refrigerators for the storage 
        of vaccines. There are however key differences between the requirements 
        for the storage of domestic food stuffs and vaccines.

      
A domestic refrigerator is designed to perform multiple storage functions 
        from freezing through to provisions of various temperature zones within 
        the refrigerator cabinet. Because the temperature tolerances for food 
        are not so critical, provision is made for storage of product in doors 
        etc. to maximise the utilisation of available space. Temperature control 
        devices and defrost functions are designed for the storage of items which 
        are not so temperature sensitive.

            
 
The key requirements for Effective Vaccine Storage



 

  


	

	 

	   

		
	   

	   

		
	   

	   

		
	   

	  

	

   

  
  
 A storage refrigerator which is able to maintain an internal temperature between +2 degrees and +8 degrees uniformly 
	throughout the cabinet.

      
How is this achieved?

      
The use of specialised thermostat controls, which are an integral part 
        of design of the refrigerators cooling control system. (Add on systems 
        used with a domestic refrigerator may in fact work against the control 
        system built in to the product and interfere with automatic defrost cycles).

      
    
        
  1. The use of a cooling system which returns the internal cabinet to 
          required temperatures as quickly as possible after interruptions such 
          as door openings.
    2. 
        
  2. A defrosting system which minimises the likelihood of “icing 
          up” and is compatible with the maintenance of required internal 
          temperatures.
    3. 
        
  3. An internal design which promotes an even distribution of temperature 
          throughout.
    4. 
        
  4. A management system which ensures the refrigerator can do its job 
          and which monitors its performance.
    5. 
      

 


 		
          
          
          
        

        
 
          
          
          
          
        

        
 
          
          
          
          
          
        

      

    		
    
    
	   

        
 
          
          
          
          
          
          
          
        

        
 
          
          
          
          
          
        

        
 
          
          
          
        

        
 
          
           Articles
        

        
 
          

		  

        
 
          
          
          
        

        
 
           
          
          Refrigeration Guidelines
        

        
 
           
           
          Are you storing your vaccines correctly?
        

        
 
           
          
          Safe  Vaccine Storage
        

        
 
           
           
          What's the difference between a vaccine and a cut lunch?
        

        
 
           
          
          Guild Bulletin (Australia): The Cold Chain.
        

        
 
           
           
          The Cold Chain. We hear this almost daily now as its importance grows within the industry. What in fact is "The Cold Chain?"
        

        
 
           
          
          Bloodbank Refrigeration
        

        
 
           
           
          Cold Science Technology
        

      

             		
           
          
          
        

        
 
          
          
          
        

        
 
          
          
          
          
          
          
        

      

    		
  





  
 
    
  

  

    
  

  

    
      

        

          
	 
	Supermarket Equipment | Commercial & Industrial Food Equipment | Ovens | 	Contact