Plans for mass immunisation against Covid-19 are developing fast, but concerns must be addressed
In the 1960s, academics studying rumours drew inspiration from epidemiology. They noted how such stories spread through communities, “infecting” some individuals while others seemed immune, and how more resistant populations could stop their spread.
Their insights have in turn been taken up by health professionals. Hearsay can be useful, helping to catch disease outbreaks. It can also be deadly. Though vaccine hesitancy is as old as vaccines themselves, it has risen sharply in many countries in recent years. Unfounded scare stories about the safety of immunisation programmes have contributed to growing scepticism and outright refusal, with fatal consequences. In her new book Stuck: How Vaccine Rumours Start – and Why They Don’t Go Away, Prof Heidi Larson notes the paradox: we have better vaccine science, more safety regulations and processes than ever before, yet a doubting public.
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