30.07.2024
Was brachten die Anti-Corona-Impfungen? Wie verhielten sich Impfungen/Impfquoten zu Übersterblichkeiten in verschiedenen (vergleichbaren) Ländern? Was passiert, wenn man nicht stumpf Sterbezahlen (stellen noch keine Übersterblichkeit dar) betrachtet, sondern auch noch zeitliche Korrelationen und Verläufe berücksichtigt?
Antworten versucht die Folgende Studie zu geben. Differenziert wurde hier z.B. zwischen Ländern, die schnell große Teile ihrer Bevölkrung geimpft und geboostert haben ("Faster") und denen, die es langsamer haben angehen lassen, bzw. nur geringere Impfquoten erreichten ("Slower"):
Comparison of vaccination and booster rates and their impact on excess mortality during the COVID-19 pandemic in European countries
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10357837/
The “faster” countries, as opposed to the “slower” ones, did better in protecting their residents from mortality during all periods of the SARS-CoV-2 pandemic and even before vaccination. Perhaps higher GDP per capita contributed to their better performance throughout the pandemic. During mass vaccination, when the Delta variant prevailed, the contrast in mortality rates between the “faster” and “slower” categories was strongest. The average excess mortality in the “slower” countries was nearly 5 times higher than in the “faster” countries, and the odds ratio (OR) was 4.9 (95% CI 4.4 to 5.4). Slower booster rates were associated with significantly higher mortality during periods dominated by Omicron BA.1 and BA.2, with an OR of 2.6 (CI 95%. 2.1 to 3.3). Among the European countries we analyzed, Denmark, Norway, and Ireland did best, with a pandemic mortality rate of 0.1% of the population or less. By comparison, Bulgaria, Serbia, and Russia had a much higher mortality rate of up to 1% of the population.