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    Why are ice creams with flakes called 99s?

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    Racing driver Abbie Eaton on inclusion in the sport: ‘It’s better than when I started but we need to keep pushing’

    Racing driver Abbie Eaton on inclusion in the sport: ‘It’s better than when I started but we need to keep pushing’

    Self-made rich people are less sympathetic to the poor, says study

    Self-made rich people are less sympathetic to the poor, says study

    Toyota recalls electric cars over concerns about loose wheels

    Toyota recalls electric cars over concerns about loose wheels

    Facebook asked to introduce option to list more than one romantic partner

    Facebook asked to introduce option to list more than one romantic partner

    Huge scamming ring smashed with 2,000 arrests and £40,000,000 seized

    Huge scamming ring smashed with 2,000 arrests and £40,000,000 seized

    Nasa launches its first UFO study for ‘national security and air safety’

    Nasa launches its first UFO study for ‘national security and air safety’

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    Why are ice creams with flakes called 99s?

    Why are ice creams with flakes called 99s?

    A 48-hour itinerary for experiencing the authentic Algarve – without a golf club in sight

    A 48-hour itinerary for experiencing the authentic Algarve – without a golf club in sight

    I’m a grandma-of-8 and you’ve been making brownies all wrong… everyone loves my secret hack

    I’m a grandma-of-8 and you’ve been making brownies all wrong… everyone loves my secret hack

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    How do you cancel an easyJet flight?

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    Guardians Of The Galaxy lead writer now works at BioWare

    Guardians Of The Galaxy lead writer now works at BioWare

    Millions of PS5 gamers warned – three simple mistakes could get you BANNED

    Millions of PS5 gamers warned – three simple mistakes could get you BANNED

    PS5 Console: UK restock dates, where to buy and more

    PS5 Console: UK restock dates, where to buy and more

    Is Steam down? How to check problems and updates

    Is Steam down? How to check problems and updates

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    Activision Blizzard investigates itself over toxic workplace – decides it did nothing wrong

    Real Inked Project

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    Call of Duty: Modern Warfare II: How can I preorder the game?

    Xbox showcase will not feature Fable or Perfect Dark claims insider

    Xbox showcase will not feature Fable or Perfect Dark claims insider

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Delta variant could ‘mutate its way out of existence’ say scientists

November 22, 2021
in Tech


COVID-19 Coronavirus molecule, March 24, 2020. (Photo by CDC/API/Gamma-Rapho via Getty Images)
A Covid-19 virus molecule (Getty)

Scientists in Japan believe the numbers of Delta variant Covid-19 cases may be falling because it has mutated itself into extinction.

Delta, one of the so-called ‘lineages’ of the coronavirus has rapidly spread to become the most dominant form of the virus.

It is believed to have originated in India and is much more transmissable than the original ‘Wuhan’ strain.

Like the UK, Japan fell victim to Delta and cases peaked at 23,000 a day back in August. However, that wave has almost completely passed with cases now down at 140 a day.

Experts there believe the Delta strain may have simply mutated its way out of existence, according to a report in The Japan Times.

When a virus mutates, it changes its genetic structure slightly. In some cases, this can help it dodge immunity or create different symptoms but it can also lead to evolutionary dead ends.

Researchers at Japan’s National Institute of Genetics believe this is what happened after looking at an enzyme called nsp14. The enzyme’s purpose is to correct errors caused by replication.

Ituro Inoue, a genetics professor at the institute, said Delta couldn’t keep spreading and repair the errors that piled up at the same time.

Passengers are seen outside the entrance of JR Shinagawa station as the railway company makes security check following an earthquake, in Tokyo, Thursday, Oct. 7, 2021. A powerful earthquake shook the Tokyo area on Thursday night, but officials said there was no danger of a tsunami.(Kyodo News via AP)
Covid-19 cases have plummeted in Japan since a surge in August (Credits: AP)

‘We were literally shocked to see the findings,’ Prof Inoue said. ‘The Delta variant in Japan was highly transmissible and keeping other variants out. But as the mutations piled up, we believe it eventually became a faulty virus and it was unable to make copies of itself. 

‘Considering that the cases haven’t been increasing, we think that at some point during such mutations it headed straight toward its natural extinction.’

Others argue that Japan’s vaccination program is to thank for the dramatic fall in cases.

More than 75 per cent of Japan’s population is double jabbed and face masks are commonly worn in public environments in the country.


MORE : More infectious ‘Delta-plus’ variant responsible for 10% of Covid cases


MORE : Covid ‘Delta Plus’ – what is it, symptoms and how many cases are there in the UK?



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