Covid 19 Delta outbreak: Unvaccinated 25 times more likely to be hospitalised, modelling shows

A NZ Herald article.

Unvaccinated people are 25 times more likely to be hospitalised for Covid-19 – and about three times more likely to contract the virus – than those who’ve had both doses of the Pfizer shot.

That’s according to new modelling by a researcher who simulated a pandemic scenario similar to Auckland’s Delta outbreak to combat claims on social media about the vaccine’s effectiveness.

Large clinical trials have shown protection against symptomatic Covid-19 to be around 52 per cent at about 12 days after the first dose of the Pfizer shot – but 95 per cent after the second dose, of which about 84 per cent of eligible Kiwis have now received.

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