Immunity acquired from infection with COVID-19, combined with booster vaccination, provides 67% protection against symptoms of infection.
Researchers at the Belgian Institute of Public Health Sciensano say that vaccination against the coronavirus decreases rapidly after a few months, and if we talk about the Omicron strain, even faster. This was reported by La Libre Belgique.
The study covered 1.43 million people and was conducted between July 2021 and April 2022.
“Protection against symptomatic infection with Delta strain decreases from the baseline estimate of 81% to 56% 100-150 days after primary vaccination. After a booster dose with the same result, baseline protection is estimated at 84% .In symptomatic infection with Omicron coronavirus variant, acquired protection decreases from 37% to 18% 100-150 days after baseline vaccination.Booster vaccination increases initial protection to 52%, but after 100-150 that day it drops to 25%, ”the report said.
It was noted that immunity acquired from infection with COVID-19, combined with booster vaccination, provides 67% protection against symptoms of infection.
However, vaccination provides better protection against serious forms of the disease that require hospitalization.
“In the Delta variant, protection is estimated at 93% after booster vaccination. And at 100-150 days it drops to 87%. In Omicron, after booster vaccination,” the protection from hospitalization “is at 100-150 days are down by 66 %, ”the article said. .
It will be recalled that the Ministry of Health of Ukraine previously said that vaccination strengthens protection against coronavirus, including against the COVID-strain Omicron.
Vaccination rates have risen in Ukraine
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Source: korrespondent
