Storage temporage for vaccine is -
.cold chain is a system of storage and transpoation of vaccines from the point of manufacture to the point of administration (actual vaccination site).cold chain temerature of vaccines available in india is routinely 2 to 8 degree celcius.but vitamin A is stored outside cold chain at room temperature. ref:park&;s textbook ,ed22,pg no 90
-4oC to 0o C
0oC to 4oC
+2oC to 8oC
+4oC to 12oC
Epidemiology