Q. The polio vaccine should be preserved at

A
2 to 8 degree Celsius
B
-2 to -8 degree Celsius
C
Below 0 degree Celsius
D
0 to 4 degree Celsius
Solution:

Oral polio vaccine (OPV) is the only vaccine that still needs to be kept deep- frozen at 20C at central and at provincial store levels whenever possible. However, OPV may be stored at +2 to +8C for up to 6 months.

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