In 2020, the number of newly detected HIV infections decreased compared to the previous year, however, this is not only due to a decrease in the number of infections, but rather to a lack of continuity in the diagnostic and reporting system during the COVID-19 pandemic, as indicated by a smaller number of tests and greater delays in data reporting. Due to the chronic course of HIV infection, a full assessment of the impact of the COVID-19 pandemic will be possible in the future.