Covid 19 coronavirus: Three reasons the Delta variant is a bigger threat

A NZ Herald article.

It spreads more easily
Within months of its detection, the Delta variant has become what one US public health scientist has called the “greatest threat” of the pandemic in 2021.

Perhaps the biggest risk factor was its ability to spread quickly through populations: it was thought to be partly responsible for India’s disastrous second wave this year.

“We know that it’s a lot more transmissible – in fact, it’s about twice as transmissible as the original variants of Covid-19,” said Professor Michael Plank, a modeller at Te Punaha Matatini and Canterbury University.

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