WHO Says Delta Is The Fastest And Fittest Covid Variant And
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The highly contagious delta variant is the fastest and fittest coronavirus strain yet, and it will pick off the most vulnerable people, especially in places with low Covid-19 vaccination rates, World Health Organization officials warned.

Delta, first identified in India, has the potential “to be more lethal because it’s more efficient in the way it transmits between humans and it will eventually find those vulnerable individuals who will become severely ill, have to be hospitalized and potentially die,” Dr. Mike Ryan, executive director of the WHO’s health emergencies program, said during a news conference.

Ryan said world leaders and public health officials can help defend the most vulnerable through the donation and distribution of Covid vaccines. “We can protect those vulnerable people, those front-line workers,” Ryan said, “and the fact that we haven’t, as Director-General [Tedros Adhanom Ghebreyesus] has said, again and again, is a catastrophic moral failure at a global level.”

The agency declared delta a variant of concern last month. A variant can be labeled as of concern if it has been shown to be more contagious, more deadly or more resistant to current vaccines and treatments, according to the health organization. Delta is now replacing alpha, the highly contagious variant that swept across Europe and later the U.S. earlier this year, Dr. Paul Offit, director of the Vaccine Education Center at Children’s Hospital of Philadelphia, said in a recent interview.

Studies suggest it is around 60% more transmissible than alpha, which was more contagious than the original strain that emerged from Wuhan, China, in late 2019. WHO officials have said there were reports that the delta variant also causes more severe symptoms, but that more research is needed to confirm those conclusions. Still, there are signs the delta strain could provoke different symptoms than other variants.

No variant has really found the combination of high transmissibility and lethality, but delta is “the most able and fastest and fittest of those viruses,” WHO officials said. “This particular delta variant is faster, it is fitter, it will pick off the more vulnerable more efficiently than previous variants, and therefore if there are people left without vaccination, they remain even at further risk,” Ryan said.

Source:
https://www.cnbc.com/2021/06/21/covid-delta-who-says-variant-is-the-fastest-and-fittest-and-will-pick-off-most-vulnerable-.html
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