<prompt> All of the following statements are true about DPT vaccine exceptIt should be stored in deep freezerExposure to direct sunlight, when in use should be avoidedStore stocks are needed for three months at PHC levelHalf-used ls should not be put back into the cold chain after the session  <response>: 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 