The database:
In the study presented, researchers show various scenarios in which infections can occur in everyday life. For the first time, the role played by wearing masks, the ventilation situation (inside or outside, how much ventilation) and the behavior of the people (speaking, sporting activity, etc.) in infection via virus-heavy aerosols is also included.
The calculations are based on unvaccinated people and also do not take any virus variants into account. Nevertheless, the forecasts can be applied to the current situation, since vaccination only affects the course of a disease. Because: Even vaccinated people can be carriers of viruses.
With virus variants such as Delta and Omicron, the risk of infection is generally higher, but the usual distance and hygiene measures are still effective with these virus mutations.
The research also assumes that 0.1% of the population is infected with the coronavirus. According to current figures from the RKI, the risk of infection is even higher, because there are currently 1,166,100 corona infected people in Germany, which corresponds to around 1.4% of the population (as of: RKI weekly report January 20th, 2022).
Sources:
Peng, Z. et al. (2022): Practical Indicators for Risk of Airborne Transmission in Shared Indoor Environments and Their Application to COVID-19 Outbreaks; Interview with Prof. Bodo Plachter, Head of Virology Institute, University Medicine Mainz; Robert Koch Institute; Paul Ehrlich Institute; Lewnard, JA (2022): Clinical outcomes among patients infected with Omicron (B.1.1.529) SARS-CoV-2 variant in southern California.; Max Planck Society; Bagheri, G. et al. (2021): An upper bound on one-to-one exposure to infectious human respiratory particles.
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