| 3 | Impact of vaccination on SARS-CoV-2 infection: Experience from a tertiary care hospital显示文摘Ever since the world has been engulfed by the COVID-19 pandemic,caused by SARS-CoV-2 virus,humanity has gone through untold miseries.There has been a widespread impact on health,including substantial mortality and morbidity,especially among older adults and those with pre-existing health conditions[1,2],in addition to serious repercussions for the global economy,and social wellbeing.Despite this devastating spread of the virus,a large number of the population remains non-immune to SARS-CoV-2[3].With no approved cure in sight,hopes are pinned on safe and effective vaccines and their equitable distribution and acceptance for reigning in the pandemic.The vaccination campaign for COVID-19 in India was started on 16th January,2021 using two vaccines,first with Covishield(AstraZeneca and Serum Institute of India)and later along with Covaxin(BBV152,Bharat Biotech and ICMR).Initially,health care workers and other front line workers were prioritized for vaccination,and then vaccinations for COVID-19 were started for all adults in India.We intended to find out the number of breakthrough COVID-19 infections after vaccination in a tertiary care hospital,Kolkata,India. | Nupur Pal Debalina Nag Jayeeta Halder Aritra Biswas Raja Ray Avijit Hazra Chitrita Chatterjee | 2022 | Asian Pacific Journal of Tropical Medicine2022，15，2： | 0 |
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