biostudies-literatureUnknownXu RAlzheimer's & dementia : the journal of the Alzheimer's Associationhttps://www.ebi.ac.uk/biostudies/studies/S-EPMC9538779biostudies-literatureThe effect of different SARS-CoV-2 variants: Reply.PMC9538779Xu RDavis PBfalseThe effect of different SARS-CoV-2 variants: Reply.2022-01-01T00:00:00Z2022 Aug2025-04-04T23:20:36.963Z2025-04-04T23:20:36.963ZS-EPMC95387793598805810.1002/alz.12746