How vaccine and medicine developed? Who give permission to sell medicine? testing kaise hoti hai?

In this video I have explained how medicine or vaccines are prepared? who give permission to sell a medicine or vaccine in India? who give permission to sell a medicine or vaccine in USA? How medicine or vaccine tested? Who tests the efficiency and safety of the medicine or vaccine? role of antibody. which take longer time vaccine or medicine? why corona virus vaccine taking so long time? why corona medicine is not prepared yet? testing process of a new medicine? how a new vaccine developed? DCGI, CDSCO, FDA, WHO. why ramdev baba get notice from govt. ? coronil ka kya hua? Difference between medicine and vaccine.

dabai kaise banti hai? testing kaise hoti hai? kaun license deta hai medicine bech ne ke liye?

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Видео How vaccine and medicine developed? Who give permission to sell medicine? testing kaise hoti hai? канала Searching The Knowledge