 "Covishield")
The findings of a new study show the real-world vaccine effectiveness of Covishield against SARS-CoV-2 during the second wave of the Covid pandemic between April and May this year was 63% in India, the Ministry of Science & Technology said.
The study, published in The Lancet Infectious Diseases, was carried out by a multi-institutional team of Indian researchers led by Translational Health Science and Technology Institute (THSTI).
The effectiveness of complete vaccination through Covishield against moderate-to-severe Covid-19 was much higher at 81%, the study found. The vaccination programme in India is driven largely by Covishield.
The researchers employed a comparison
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