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 study

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 study

Objectives: India introduced BBV152/Covaxin and AZD1222/Covishield vaccines in January 2021. We estimated the effectiveness of these vaccines against severe COVID-19 among individuals aged ≥45 years. Methods: We did a multi-centric, hospital-based, case-control study between May and July 2021. Cases...

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Main Authors: Tarun Bhatnagar, Sirshendu Chaudhuri, Manickam Ponnaiah, Pragya D Yadav, R Sabarinathan, Rima R Sahay, Faheem Ahmed, S Aswathy, Pankaj Bhardwaj, Anil Bilimale, M Santhosh Kumar, M. Logaraj, Uday Narlawar, C Palanivel, Prakash Patel, Sanjay K Rai, Vartika Saxena, Arvind Singh, Jeromie WV Thangaraj, Ashwini Agarwal, Yasir Alvi, Amoghashree, P Ashok, Dinesh Babu, Yogesh Bahurupi, Sangita Bhalavi, Priyamadhaba Behera, Priyanka Pandit Biswas, Jaykaran Charan, Nishant Kumar Chauhan, KB Chetak, Lalit Dar, Ayan Das, R Deepashree, Minakshi Dhar, Rahul Dhodapkar, TS Dipu, Mridu Dudeja, Manisha Dudhmal, Ravisekhar Gadepalli, Mahendra Kumar Garg, AV Gayathri, Akhil Dhanesh Goel, H Basavana Gowdappa, Randeep Guleria, Manoj Kumar Gupta, Farzana Islam, Mannu Jain, Vineet Jain, M Lanord Stanley Jawahar, Rajendra Joshi, Shashi Kant, Sitanshu Sekhar Kar, Deepjyoti Kalita, Meenakshi Khapre, Satyendra Khichar, Sarika Prabhakar Kombade, Sunil Kohli, Abhinendra Kumar, Anil Kumar, Deepak Kumar, Kiran G Kulirankal, KV Leela, Triparna Majumdar, Baijayantimala Mishra, Puneet Misra, Sanjeev Misra, Prasanta Raghab Mohapatra, M Narayana Murthy, Dimpal A Nyayanit, Manish Patel, Monika Pathania, Savita Patil, Binod Kumar Patro, Ramniwas Jalandra, Pragati Rathod, Naimesh Shah, Anita Shete, Deepak Shukla, M Shwethashree, Smita Sinha, MN Sumana, Ashish Surana, Anjan Trikha, A Tejashree, Mahalingam Venkateshan, G Vijaykrishnan, Sarita Wadhava, Naveet Wig, Nivedita Gupta, Priya Abraham, Manoj V Murhekar
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:International Journal of Infectious Diseases
Subjects:
COVID-19 vaccines
BBV152/Covaxin
AZD1222/Covishield
Delta variant
Effectiveness
India
Online Access:http://www.sciencedirect.com/science/article/pii/S1201971222004271

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