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Who needs another COVID vaccine – and who might be able to skip it?

By Meru Sheel, Professor of Infectious Diseases and Global Health, University of Sydney

The COVID pandemic feels like a long time ago. Now, we have widespread immunity from vaccination and natural infection. And getting COVID is less risky than it was five years ago.

But COVID can still lead to hospitalisation and deaths in older people, pregnant women and those with underlying chronic diseases, such as asthma or heart disease.

Each year in Australia, COVID…

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