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New research finds weaker association between dementia and COVID-19 mortality than previous studies

Since December 2019, more than 60 million people have been diagnosed with coronavirus disease 2019 (COVID-19) worldwide, while approximately six million individuals have died as a result of the disease. Hospital treatment was required in about 10%–20% of COVID-19 patients, with this proportion decreasing over time. Several studies have shown the impact of dementia on mortality in COVID-19 patients, however, most studies were conducted during the first months of the COVID-19 pandemic.