All variants are initially ‘variant of interest’, considering not much is known about it and scientists delve deeper into the different aspects of the virus trains.
According to WHO, a variant of interest is a variant of concern (VOC) if, through a comparative assessment, it has been demonstrated to be associated with the following.
– Increase in transmissibility or detrimental change in COVID-19 epidemiology
– Increase in virulence or change in clinical disease presentation
– Decrease in effectiveness of public health and social measures or available diagnostics, vaccines, therapeutics.
In respect to these conditions laid down by the WHO, Delta variant has been termed a ‘Variant of Concern’, given that it is more transmissible, associated with high viral load and is said to evade vaccine-induced immunity.
The Centre for Disease Control and Prevention (CDC) has also stated that the Delta variant is more than twice as contagious as previous variants and can lead to severe illnesses in unvaccinated people, that includes kids.
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