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The reason the estimate of the number of infections increases so dramatically overnight is new knowledge based on the more than 11,000 people who have tested positive so far in Norway.
– So far we have assumed that the virus spreads fairly evenly between different age groups. When we look at the test data, we now see that some age groups are overrepresented, while others are underrepresented, says Arnoldo Frigessi, professor of biostatistics at the University of Oslo in Aftenposten.
He is a key person in the group that analyzes for the National Institute of Public Health how the pandemic develops and how the infection spreads.
– Therefore, we can no longer assume that the infection spreads according to the demographic pattern.
The test results show that 26 percent of Norwegians infected since May are between the ages of 20 and 29, an age group that represents only 13 percent of the population. In August, this group represents 30 percent of all new cases of infection.
At the same time, children under the age of 10, as well as groups aged 60 and over, are severely under-represented.
Despite the fact that 60 percent more have been infected and thus become immune, it is still a small group, according to Arnoldo Frigessi. Therefore, the adjusted figures have a small effect on the general spread of the infection in society.
On the other hand, the new knowledge has meant a reduction in the risk of being admitted to hospital from 3.9 to 2.26 percent, reports Aftenposten. The reason is that more young people are now infected than at the beginning of the pandemic.
In Sweden, nearly 85,000 people have been confirmed to be infected with COVID-19, according to statistics from the Swedish Public Health Agency. The number of confirmed cases in Norway on Saturday was 11,231.
In Sweden, 5,835 people have died as a result of coronary heart disease. In Norway, 264 people have died.
