By Ernie Mundell HealthDay Reporter
THURSDAY, Dec. thirty, 2021 (HealthDay Information)
New info out of South Africa finds that a booster dose of Johnson & Johnson’s COVID-19 vaccine seems to supply powerful defense towards intense sickness caused by the quickly-spreading Omicron variant.
The analyze, which was published on the net and has not however undergone peer review, was done in a team of a lot more than 69,000 South African health care employees. All of them got their boosters six to 9 months immediately after obtaining by now gained just one dose of the J & J vaccine.
The boosted health workers’ outcomes had been compared to a very similar quantity of unvaccinated South Africans.
The analyze uncovered that people today who’d gotten the J & J booster shot had been eighty five% fewer possible to call for hospitalization thanks to an an infection from Omicron, compared to unvaccinated people today.
That compares properly to other info from South Africa displaying that a booster shot of the two-dose Pfizer vaccine cut the risk of hospitalization by 70%.
The new info flies in the experience of current recommendations from the U.S. Facilities for Disorder Control and Prevention. The CDC is even now authorizing use of the J & J vaccine, but is recommending that other vaccines, this kind of as the Pfizer or Moderna pictures, be desired as boosters. The company based its advice on a elevated risk of quite uncommon but potentially everyday living-threatening blood clots tied to use of the J & J vaccine.
In a individual U.S. arm of a demo that wrapped up in September — when the Delta variant was even now dominating — Johnson & Johnson uncovered that providing people today a next dose of the vaccine two months immediately after they’d gained their initially caused defense from COVID-joined hospitalization to rise from seventy four% prior to the booster to ninety four% immediately after. Similar benefits have been observed in trials across 10 countries.
When the big majority of vaccinated Americans have gained possibly the Pfizer or Moderna mRNA vaccines, populations in Africa and elsewhere have generally relied on the just one-dose Johnson & Johnson shot. So, the new conclusions could be a serious boon to people today in creating nations, gurus feel.
The new South African conclusions on J & J boosters appear as fairly of a shock, considering the fact that laboratory experiments uncovered the pictures had minimal effectiveness towards the really mutated Omicron variant. Nevertheless, gurus feel the booster may well increase levels of antibodies to robust levels, or might perform on other gamers in the human immune process to assistance combat off the variant.
Much more info:
There is a lot more on the Omicron variant of the new coronavirus at the CDC.
Resources: medRxiv, on the net publication, Dec. 29, 2021
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