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A corona outbreak occurred in a nursing home in Zug. This is two weeks after the vaccination with the second dose, according to the Tamedia newspapers reported on Tuesday.
In mid-February, a resident of the nursing home tested positive and had to go to the hospital with severe symptoms. In a massive test with all inmates and employees, it turned out that eight of the 15 residents who were in contact with the sick person were also infected. And: Five of these eight people were already fully vaccinated with the Pfizer / Biontech product.
An investigative report commissioned by the Zug Health Department classifies the process as “remarkable.” With five infected, half of the eleven residents who were vaccinated, “the vaccine did not significantly protect residents from infection,” the doctors said in the report.
Slight gradients
The vaccine likely prevented severe progression: Most of those who tested positive had no symptoms. Two people who had been vaccinated had mild symptoms of fatigue and fever.
The extent to which staff played a role in the outbreak has not been clarified: “In view of the lack of data on employees, it is unclear how exactly the virus was introduced into the department,” the authors write in the report.
First case in Switzerland
“The outbreak occurred unexpectedly,” Rudolf Hauri, a doctor from the canton of Zug and president of the Swiss Cantonal Medical Association, said in the report. He does not know of any similar case in Switzerland. Outbreaks in nursing homes and nursing homes were previously known to occur while vaccinations were still in progress or shortly after the administration of the second dose.
However, Hauri emphasizes that this “Zug study” involves a very small number of cases that do not allow statistically reliable statements.
The Zug case is not entirely without precedent: in the German district of Osnabrück there was also an outbreak among fully vaccinated residents. Here, too, the courses were mostly mild or asymptomatic. The outbreak was due to the British mutation. That was not the case in Zug, as confirmed by “high probability” CRP measurements.
