"For the second and third pandemic year a significant positive correlation between the increase of excess mortality and COVID-19 vaccinations is observed, a fact that strongly calls for further investigations on possible negative effects of COVID-19 vaccinations " (PDF) Available from: https://www.researchgate.net/publication/378124684_Differential_Increases_in_Excess_Mortality_in_the_German_Federal_States_During_the_COVID-19_Pandemic [accessed Jul 21 2024].