All of the following statements are true about DPT vaccine except
DPT vaccine should not be frozen. They should be stored in a refrigerator between 2 to 8-degree CelsiusReference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 172
It should be stored in deep freezer
Exposure to direct sunlight, when in use should be avoided
Store stocks are needed for three months at PHC level
Half-used ls should not be put back into the cold chain after the session
Communicable diseases