excess mortality data. Contrasting countries' rankings using these two data sources reveal sharp and systematic differences …. While higher GDP per capita is associated with a worse mortality ranking when using official Covid-19 mortality, there is no … such sharp association when using excess mortality data. By the end of 2021, the quartile rankings of three-fifths of the …

, mortality, immunity, and vaccine. The individual records are analysed in isolation, and the analysis is compared with records on … records on viruses, pandemics and mortality, we identified that Chinese universities have not been leading on these topics … analysis (MCA), and identified multiple relationships between keywords, synonyms and concepts, related to Covid-19 mortality …

The global COVID-19 vaccination campaign is the largest public health campaign in history, with over 2 billion people … fully vaccinated within the first 8 months. Nevertheless, the impact of this campaign on all-cause mortality is not well … understood. Leveraging the staggered rollout of vaccines, we find that the vaccination campaign across 141 countries averted 2 …