Effectiveness of BBV152/Covaxin and AZD1222/Covishield vaccines against severe COVID-19 and B.1.617.2/Delta variant in India, 2021: a multi-centric hospital-based case-control studyTarun Bhatnagar, M Lanord Stanley Jawahar, R. Sabarinathan et al.|International Journal of Infectious Diseases|2022Cited by 44
Post COVID sequelae among COVID-19 survivors: insights from the Indian National Clinical Registry for COVID-19Ashish Bhalla, Aparna Mukherjee, Alka Turuk et al.|BMJ Global Health|2023Cited by 11
Analysis of predictors and outcomes of COVID-19 patients requiring ICU admission from COVID 19Kamal Kajal, Amit Chauhan, Karan Singla et al.|Research Square|2022Cited by 1