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Continue to ChatStory : Covid-19 vaccines primarily modify disease, do not prevent infection, says ICMR chief #IndiaNEWS All vaccines against Covid-19 are primarily disease-modifying and do not prevent infection, the chief https://desicheers.com/story/251309/Covid-19-Vaccines-Primarily-Modify-Disease-Do-Not-Prevent-Infection-Says-ICMR-Chief-IndiaNEWS-All-Vaccines-Against-Covid-19-Are-Primarily-Disease-Modifying-And-Do-Not-Prevent-Infection-The-Chief/