- •Vaccine breakthrough SARS-CoV-2 infections were reported during COVID-19 second wave in India.
- •Prevalence of Delta (B.1.617.2) variant was not different between the vaccinated and unvaccinated groups.
- •Progression of COVID-19 cases to severe illness and mortality was lower in the vaccinated as compared to unvaccinated group.
- Effectiveness of BNT162b2 vaccine against the B.1.1.7 variant of SARS-CoV-2 among healthcare workers in Brescia, Italy.J Infect. 2021; 83: e17-e18https://doi.org/10.1016/j.jinf.2021.04.038
Ministry of Health and Family Welfare, Govt of India. Covid-19 vaccination. Frequently asked questions 2021. Available at https://www.mohfw.gov.in/covid_vaccination/vaccination/faqs.html#who-will-get-the-vaccine. Accessed on 11 August 2021
Singh U.B., Rophina M., Chaudhry R., Vigneshwar S., Bala K., Bhoyar R.C., et al. Variants of concern responsible for SARS-CoV-2 vaccine breakthrough infections from India 2021. OSF Pre-print Available at https://doi.org/10.31219/osf.io/fgd4x
- Vaccine breakthrough infections with SARS-CoV-2 variants.N Engl J Med. 2021; 385: e7https://doi.org/10.1056/NEJMc2107808
- The great escape? SARS-CoV-2 variants evading neutralizing responses.Cell Host Microbe. 2021; 29: 322-324https://doi.org/10.1016/j.chom.2021.02.010
Ministry of Health and Family Welfare, Govt of India. Genome sequencing by INSACOG shows variants of concern and a Novel variant in India_24 MAR 2021 2021. Available at https://pib.gov.in/PressReleaseIframePage.aspx?PRID=1707177. Accessed on 11 August 2021
Malani A., Ramachandran S., Tandel V., Parasa R., Sudharshini S., Prakash V. et al., SARS-CoV-2 seroprevalence in Tamil Nadu in October-November 2020. Available at MedRxiv2021:2021.02.03.21250949. 10.1101/2021.02.03.21250949, accessed on 11 August 2021
State Control Room. Directorate of public health and preventive medicine health and family welfare department, government of Tamil Nadu, Media Bulletin 2021. Available at: https://stopcorona.tn.gov.in/wp-content/uploads/2020/03/Media-Bulletin-15-06-21-COVID-19.pdf, accessed on 11 August 2021
- High throughput detection and genetic epidemiology of SARS-CoV-2 using COVIDSeq next-generation sequencing.PLoS One. 2021; 16e0247115https://doi.org/10.1371/journal.pone.0247115
Dhar M.S., Marwal R., Radhakrishnan V.S., Ponnusamy K., Jolly B., Bhoyar R.C. et al., Genomic characterization and Epidemiology of an emerging SARS-CoV-2 variant in Delhi, India. Available at: MedRxiv2021:2021.06.02.21258076.,10.1101/2021.06.02.21258076, accessed on 11 August 2021.
Yadav P.D., Sapkal G.N., Ella R., Sahay R.R., Nyayanit D.A., Patil D.Y. et al., Neutralization against B.1.351 and B.1.617.2 with sera of COVID-19 recovered cases and vaccinees of BBV152. Available at: BioRxiv2021 :2021.06.05.447177. 10.1101/2021.06.05.447177, accessed on 11 August 2021.
Planas D., Veyer D., Baidaliuk A., Staropoli I., Guivel-Benhassine F., Rajah Maaran M. et al., Reduced sensitivity of infectious SARS-CoV-2 variant B.1.617.2 to monoclonal antibodies and sera from convalescent and vaccinated individuals. Available at: BioRxiv2021 :2021.05.26.445838. 10.1101/2021.05.26.445838, accessed on 11 August 2021.