Polyfunctional CD4 T-cells correlating with neutralising antibody is a hallmark of COVISHIELDTM and COVAXIN® induced immunity in COVID-19 exposed Indians oleh Srabanti Rakshit, Sudhir Babji, Chaitra Parthiban, Ramya Madhavan, Vasista Adiga, Sharon Eveline J, Nirutha Chetan Kumar, Asma Ahmed, Sudarshan Shivalingaiah, Nandini Shashikumar, Mamatha V, Avita Rose Johnson, Naveen Ramesh, Ramkrishna Goud B, Mangaiarkarasi Asokan, Satyajit Mayor, Gagandeep Kang, George D’souza, Mary Dias, Annapurna Vyakarnam