On Friday, US media reported an internal document from the Centres for Disease Control and Protection which said the Delta variant left vaccinated and unvaccinated people with “similarly high” viral loads, warning that the variant was as contagious as chickenpox.
It said the man had a high viral load, which meant a large amount of the virus was found his upper respiratory tract, making him highly infectious. David Hui, a respiratory medicine expert at Chinese University and government adviser on the pandemic. Photo: Winson Wong Chinese University’s Hui, who advises the government on the pandemic, said vaccines were most effective at preventing hospitalisation and deaths.
Dr Leung Chi-chiu, a respiratory medicine specialist, said the emergence of the Delta variant had changed the understanding of the protectionChanges in biological characteristics of the variant increased its transmissibility, causing a higher viral load in those infected, Leung explained.
'Such high viral loads have been found in FullyVaccinated people in countries with high vaccination rates such as Britain and Israel. Experts have said a Delta-infected patient can transmit the virus to as many as six to eight others' covid19 โควิด19 WearAMask SaveLives
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