Will fourth vaccine doses be needed to curb COVID-19?

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Will fourth vaccine doses be needed to curb COVID-19?
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The necessity of a fourth COVID19 vaccine booster shot has divided experts. 9News

Medical experts around the world continue to research solutions to curb the pandemic, with some suggesting a fourth COVID-19 vaccine — a second booster shot — could be key to stopping emerging variants.

But the necessity of a second booster shot for the general population has been a subject of global debate.Medical experts around the world continue to research solutions to curb the pandemic, with some suggesting a fourth COVID-19 vaccine — a second booster shot — could be key to stopping emerging variants.

"It boosts your immune system such that if you do get infected, that infection is cleared really fast," she said.Rod Pearce from the Immunisation Coalition said the benefits of a fourth dose of vaccine were under investigation, and they had not yet been confirmed as necessary. Research currently suggests three doses of vaccine are 90 per cent effective in preventing severe disease from the Omicron variant.

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