How Long Does it take to Build Immunity After COVID-19 Vaccination?

According to the Central government, a gap of 12-16 weeks is sufficient for Covishield doses, 4-6 weeks for Covaxin while it is 21-90 days for Sputnik V.

from Top Lifestyle News- News18.com https://www.news18.com/news/lifestyle/how-long-does-it-take-to-build-immunity-after-covid-19-vaccination-3884783.html