Coronavirus: unclear source of infection in 35 percent of cases



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Most of the unclear and positive SARS-CoV-2 patients were there, with 39 percent in Vienna. In Tyrol, the source of only 26 percent of infections was unclear, 28 percent was in Vorarlberg, which reached the top two values ​​here: 37 in Styria and 36 in Salzburg, meaning that the two states Federals together with Vienna are below the Austrian average. 35 percent. This means that the source could be found in 65 percent of those infected across the country.

The Corona Commission’s analysis also shows that only five percent of positive cases are now associated with travel. Three percent were discovered in the context of screening programs; Tyrol posted the highest value here at six percent. And across Austria in week 40, a total of 26 percent of cases were asymptomatic.

The seven-day incidence was also calculated for all federal states; More recent figures are available here again, for the period October 1-7:

  • The federal capital registered by far the highest value. In Vienna, 143.4 people tested positive for every 100,000 inhabitants.
  • Second was Vorarlberg with a seven-day incidence of 73.5, followed by Tirol with 71.7.
  • Lower Austria also landed well above the critical value of 50 at 61.9.
  • In Upper Austria there were 54.5 people who tested positive for every 100,000, in Burgenland 52.3 and in Salzburg 51.9.
  • The lowest values ​​were recorded in Styria with a seven-day incidence of 26.4 and Carinthia with 25.3.

There were also clear differences in asymptomatic cases. About half of the people who tested positive in Upper Austria had no complaints in week 39 to the end of September: 49 percent were asymptomatic, in the following week it was only 37 percent. The lowest number of SARS-CoV-2 cases without symptoms was 14 percent in week 39 in Vorarlberg, where they fell again the following week and were twelve; 16 percent in Lower Austria increased to 24 percent in calendar week 40.

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