Serosurveillance studies show a heterogenous mix of the Indian population with immunity to COVID-19 due to vaccination or natural infection. Here, the authors enrol subjects representative of the general population, to assess whether pre-existing antibodies are further boosted by a single dose of an inactivated SARS-CoV-2 vaccines, BBV152.
- Suman Das
- Janmejay Singh
- Guruprasad R. Medigeshi