Covishield's effectiveness in fully vaccinated individuals 63% during 2nd wave: Study

"More importantly, the scientists also observed that the spike-specific T-cell responses were conserved against both the delta variant and wild-type SARS-CoV-2. Such cellular immune protection might compensate for waning humoral immunity against the virus variants and prevent moderate-to-severe disease and need for hospitalisation," the study said.

via Economictimes