Immunogenicity and safety of a heterologous prime-boost COVID-19 vaccine schedule: ChAdOx1 vaccine Covishield followed by BBV152 Covaxin

Author:

Kant Rajni1,Dwivedi Gaurav1,Zaman Kamran1,Sahay Rima R2,Sapkal Gajanan2,Kaushal Himanshu2,Nyayanit Dimpal A2,Yadav Pragya D2ORCID,Deshpande Gururaj2,Singh Rajeev1,Chaowdhary Sandeep3,Gupta Nivedita4,Kumar Sanjay5,Abraham Priya2,Panda Samiran4ORCID,Bhargava Balram4

Affiliation:

1. Indian Council of Medical Research-Regional Medical Research Centre (RMRC), Gorakhpur, Uttar Pradesh, 273013, India

2. Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra, 411021, India

3. Chief Medical Officer, Community Health Centre, Siddarthnagar, Uttar Pradesh, 272207, India

4. Indian Council of Medical Research, V. Ramalingaswami Bhawan, P.O. Box No. 4911, Ansari Nagar, New Delhi, 110029, India

5. Command Hospital (Southern Command), Armed Forces Medical College, Pune, Maharashtra, 411040, India

Abstract

The evidence for effectiveness of heterologous priming of COVID-19 vaccine is very limited. Here, we studied eighteen participants who received heterologous vaccination regimen of AstraZeneca’s ChAdOx1-nCov-19 followed by inactivated whole virion BBV152. Heterologous group participant doesn’t report any adverse event following immunization and demonstrated high humoral and neutralizing antibody response.

Publisher

Oxford University Press (OUP)

Subject

General Medicine

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