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Covid vaccines work very well against severe courses and deaths, and the booster does even better, new data from vaccinated and unvaccinated people in Austria illustrate. Three doses provide 99.2 percent effectiveness against deaths compared to unvaccinated. After two partial vaccinations, the figure is 92.6 percent, with a decline in protection against infection observed in the fall, the analysis by Gesundheit Österreich GmbH (GÖG) shows.
“The result for Austria is in line with other international studies,” emphasized Lukas Rainer of GÖG. However, the data refer mainly to the delta variant. Regarding the omicron mutation, “it still needs time to be able to make valid statements,” the expert in health system analysis explained.
Vaccine effectiveness in Austria will continue to be monitored, but it will be more difficult to find a suitable control group of people who are neither vaccinated nor recovered as the pandemic progresses, he said.
The current analysis covers the period from early February 2021 to January 13, with data on third-party vaccinations calculated from October 1. Approximately 14,000 Covid 19 deaths have been recorded in Austria to date. Among them, there have been about 5,600 deaths since the first completed vaccination series in early February 2021, of which the majority, about 4,500 deaths, involved individuals who were not fully immunized, GÖG notes. However, 95 triple-vaccinated individuals have also died from Covid-19 to date, the majority of whom were 75 years or older.
- source: ORF.at/agencies/picture: pixabay.com
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