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Omicron infects 70 times faster but is less severe, says study

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HONG KONG: The Omicron variant infects around 70 times faster than delta and the original COVID-19 strain, though the severity of illness is likely to be much lower, according to a University of Hong Kong study that adds weight to the early on-ground observations from South African doctors.

The supercharged speed of omicron’s spread in the human bronchus was found 24 hours following infection, according to a Wednesday statement from the university. The study, conducted by a team of researchers led byMichael Chan Chi-wai, found that the newest variant of concern replicated less efficiently — more than 10 times lower — in the human lung tissue than the original strain which may signal “lower severity of disease.”

The study, which suggests that omicron jumps faster from one person to another but doesn’t damage lung tissues as much as its predecessor strains did, is currently under peer review for publication in a scientific journal. Bloomberg didn’t have access to the entire study.

With scientists racing to determine how transmissible, virulent and evasive omicron is — it has already traveled to at least 77 nations within three weeks of being first detected in southern Africa — the new research out of Hong Kong may add ballast to descriptions by some physicians that most infections have so far been mostly mild and not requiring hospitalizations.

Many researchers are now watching if the most mutated coronavirus variant will crowd out other strains and pave way for the pandemic to slowly ebb away as an endemic where the world learns to live with the pathogen.

Even if omicron is conclusively proved to be less severe, its wildfire spread can stretch and challenge health facilities around the world. The Hong Kong university’s study also warns against taking the new variant lightly.


Friday, December 17, 2021 – 01:00

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