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Clinical evidence on BCG vaccination and COVID-19 infection: A systematic review

Praneta Yadav1, Arpita Singh1, Manju Kumari2

  • 1Faculty of Biotechnology, Institute of Biosciences and Technology, Shri Ramswaroop Memorial University, Lucknow Deva Road, Barabanki, 225001, Uttar Pradesh, India.

Respiratory Investigation
|April 12, 2026
PubMed

Keywords:
BCG vaccineCOVID-19Innate immunitySARS-CoV-2Trained immunity

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