Social & Preventive Medicine All of the following statements are true about DPT vaccine except A It should be stored in deep freezer B Exposure to direct sunlight, when in use should be avoided C Store stocks are needed for three months at PHC level D Half-used ls should not be put back into the cold chain after the session π‘ Explanation All of the following statements are true about DPT vaccine except β Correct Answer: A. It should be stored in deep freezer