Updated On: 14 January, 2026 08:24 PM IST | New Delhi | IANS
The study, published in The Lancet, analysed hesitancy based on Covid-19 vaccine uptake and found that hesitancy against vaccines was rooted in concerns about their efficacy. While it reduced over time, it persists in some people

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Women and the elderly are more likely to be vaccine-hesitant, according to a study on Tuesday, January 13, which analysed data from more than 1.1 million people.
The study, published in The Lancet, analysed hesitancy based on Covid-19 vaccine uptake and found that hesitancy against vaccines was rooted in concerns about their efficacy. While it reduced over time, it persists in some people.