Delta cases show 300 times higher viral load

People infected with the more transmissible Delta variant have a viral load 300 times higher than those with the original version of the Covid-19 virus when symptoms are first observed, a South Korea study found.

But the amount gradually decreased over time – to 30 times in four days and over 10 times in nine days – and matched levels seen in other variants after 10 days, the Korea Disease Control and Prevention Agency said.

“But it doesn’t mean Delta is 300 times more infectious … we think its transmission rate is 1.6 times the Alpha variant [first found in the UK], and about two times the original version of the virus,” a health ministry official, Lee Sang Won, said.

REUTERS

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