Almost a year into the COVID-19 pandemic, about 200 vaccine candidates are in the works and 10 have been either approved by several countries or are under limited emergency use. The scramble for shots has accelerated as governments also struggle to tame more infectious variants identified in Britain and South Africa, which are threatening to overwhelm healthcare systems.
Until now, nations including Britain, European Union members, the United States, Switzerland and Israel have been at the front of the queue for vaccine deliveries from companies including Pfizer and partner BioNTech, Moderna and AstraZeneca. In India, the vaccination drive against Covid-19 will begin on January 16, 2021. The rollout of Covid vaccine will provide priority to the healthcare workers and the frontline workers who are estimated to be around 3 crore, followed by those above 50 years of age and the under-50 population groups with co-morbidities numbering around 27 crore.
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