Purpose of Review The epidemiology of antiphospholipid syndrome (APS) is poorly
understood. Here, we review the current understanding of the epidemiology of antiphospholipid …

Objective To investigate baseline use of biologic or targeted synthetic (b/ts) disease-modifying
antirheumatic drugs (DMARDs) and COVID-19 outcomes in rheumatoid arthritis (RA). …

Importance Although tumor necrosis factor (TNF) inhibitors are widely prescribed globally
because of their ability to ameliorate shared immune pathways across immune-mediated …

Aim To determine characteristics associated with more severe outcomes in a global registry
of people with systemic lupus erythematosus (SLE) and COVID-19. Methods People with …

Background Rheumatoid arthritis has been associated with severe COVID-19, but few studies
have investigated how phenotypes of rheumatoid arthritis affect these associations. We …

Objective There is a paucity of population‐based studies investigating the epidemiology of
lupus nephritis (LN) in the US and long‐term secular trends of the disease and its outcomes. …

… The aim of this narrative review is to analyze the mechanistic rationale and available
evidence for these selected anti-rheumatic drugs for the treatment of COVID-19. Currently, only …

Background Differences in the distribution of individual-level clinical risk factors across regions
do not fully explain the observed global disparities in COVID-19 outcomes. We aimed to …

Objective To determine the association between race/ethnicity and COVID‐19 outcomes in
individuals with systemic lupus erythematosus (SLE). Methods Individuals with SLE from the …

Objective To characterize the incidence and prevalence of childhood‐onset systemic lupus
erythematosus (SLE), and to estimate the proportion of patients who are diagnosed with SLE …