Two doses of COVID-19 vaccine offer 77% protection against hospitalisation, CMC Vellore study finds
The Hindu
The study found that even a single dose of COVID-19 vaccine offered significantly high protection against both infection and hospitalisation.
A study carried out at CMC Vellore has found that two doses of vaccine offer high protection against infection and hospitalisation even among health-care workers who have a high risk of being infected. While the study found vaccination to be protective, it did not investigate the proportion of cases caused by the beta (B.1.1.7) and delta (B.1.617.2) variants that were responsible for the second wave. has been posted on a preprint server. Preprints are yet to be peer-reviewed. “Our study shows that COVID-19 vaccines have a great benefit in reducing infection and severity of disease. Vaccination helps in breaking the chain of transmission,” says Dr. Joy J Mammen, Professor at the Department of Transfusion Medicine, CMC Vellore and the corresponding author of the preprint.
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