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The decision to maintain a gap of about nine months and above was taken on the basis of scientific studies conducted by government institutions, such as the Indian Council of Medical Research (ICMR).
“It shows that unlike the mRNA vaccines, which induce a sharp rise in antibodies and a sharp fall after 3-4 months, antibodies induced by Covishield and Covaxin gradually increase and decrease. Antibodies remain in the blood for at least seven to nine months, and the memory T-Cells remain active even afterwards,” the official informed.
https://www.business-standard.com/articl...011_1.html
“It shows that unlike the mRNA vaccines, which induce a sharp rise in antibodies and a sharp fall after 3-4 months, antibodies induced by Covishield and Covaxin gradually increase and decrease. Antibodies remain in the blood for at least seven to nine months, and the memory T-Cells remain active even afterwards,” the official informed.
https://www.business-standard.com/articl...011_1.html
