Early HHV-6 IgG and IgA responses during acute SARS-CoV-2 infection in relation to long COVID: a multicohort observational study
Summary Background Long COVID is a heterogeneous condition associated with both early immune responses to SARS-CoV-2 and antibody responses to herpesviruses. However, herpesvirus-directed antibody responses during acute SARS-CoV-2 infection and their relationship to subsequent long COVID remain poorly understood. Metho...