text: sun,kal ki news mein suna, ek naya vaccine aaya hai jo bahut hi promising lag raha hai, kya tumhe iske baare mein kuch pata hai?haan, mujhe bhi suna tha, log keh rahe hain ki isse humari immunity kaafi strong ho jayegi, lekin mujhe toh abhi bhi thoda doubt hai, samajh nahi aata kaise.