Omicron an infection didn’t shield some seniors from getting COVID-19 once more: examine – Nationwide
A brand new examine has discovered that earlier an infection with an Omicron variant of COVID-19 didn’t shield seniors in long-term care and retirement houses from getting reinfected inside a couple of months.
Senior creator and McMaster College immunologist Daybreak Bowdish says the examine outcomes are shocking as a result of they problem the present enthusiastic about hybrid immunity.
Individuals are anticipated to achieve hybrid immunity to COVID-19 after they’ve been each vaccinated towards the virus and have additionally been contaminated.
However within the McMaster examine, vaccinated seniors who had been contaminated with Omicron variants in early 2022 have been about 20 instances extra prone to be reinfected with one other Omicron variant later that yr.
That’s in comparison with seniors who have been vaccinated however had not been contaminated.
Bowdish says the examine suggests folks ought to keep up-to-date with their COVID-19 vaccinations and never assume a earlier an infection is defending them.
However Bowdish additionally says it’s not identified whether or not or not the examine outcomes apply to the final inhabitants or if they’re particular to seniors.
The examine adopted 750 vaccinated seniors in long-term care and retirement houses throughout Ontario.
It was printed Monday in eClinicalMedicine, one in every of The Lancet’s medical journals.
The examine exhibits that loads continues to be unknown about how the virus that causes COVID-19 infects folks, stated Bowdish.
“(Canada’s) vaccination technique relies on this assumption that having had a latest an infection will shield you from an an infection at the very least for a brief time period. And our examine exhibits that for some variants that’s simply not true in some folks,” stated Bowdish, who holds the Canada Analysis Chair in Ageing and Immunity at McMaster College.
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Omicron an infection didn’t shield some seniors from getting COVID-19 once more: examine – Nationwide Source link Omicron an infection didn’t shield some seniors from getting COVID-19 once more: examine – Nationwide
