Herd immunity approaches to COVID-19 control are a ‘dangerous fallacy’ | The Daily Star
12:00 AM, October 18, 2020 / LAST MODIFIED: 02:39 AM, October 18, 2020

Herd immunity approaches to COVID-19 control are a ‘dangerous fallacy’

A group of researchers warn that a so-called herd immunity approach to managing COVID-19 by allowing immunity to develop in low-risk populations while protecting the most vulnerable is "a dangerous fallacy unsupported by the scientific evidence".

 Faced with a second wave of COVID-19, and more than a million recorded deaths worldwide, the authors present their view of the scientific consensus on our understanding of COVID-19, and the strategies that need to be put in place to protect our societies and economies.

 The open letter, referred to by its authors as the John Snow Memorandum, is published recently by The Lancet. It is signed by 80 international researchers with expertise spanning public health, epidemiology, medicine, paediatrics, sociology, virology, infectious disease, health systems, psychology, psychiatry, health policy, and mathematical modelling.

 They state: "It is critical to act decisively and urgently. Effective measures that suppress and control transmission need to be implemented widely, and they must be supported by financial and social programmes that encourage community responses and address the inequities that have been amplified by the pandemic."

 The letter concludes: "The evidence is very clear: controlling community spread of COVID-19 is the best way to protect our societies and economies until safe and effective vaccines and therapeutics arrive within the coming months. We cannot afford distractions that undermine an effective response; it is essential that we act urgently based on the evidence."

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