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Why a vaccine is not a magic bullet to stop Covid spread in India


A Covid-19 vaccine, while necessary and welcome, can only be part of the answer to what lies ahead. Like the scientists, societies, too, must put their shoulders to the wheel.


Covid-19 in India is principally an urban disease. It thrives on overcrowding, and frequent and sustained social interaction, characteristics that mark the daily lives of urban dwellers generally, more so in denser, poor localities. The repeated waves of infection in Delhi, Mumbai and the other large cities —which also attract huge populations of rural migrants in search of work — stand out as primary foci. Vaccination ought to begin in our big cities, and in their slums especially.

Ever since the start of the epidemic, attempts to develop a vaccine against the SarsCoV-2 virus have consistently fired the popular imagination. Each announcement, each potential success, has generated hope and caused upheavals in stock markets even before their scientific validation. Now, in a remarkably short time, a safe and effective vaccine seems within reach. The Oxford University-AstraZeneca’s AZD1222 vaccine is a collaboration between a

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