The impact of COVID-19 is still felt around the world, and more information is needed
regarding infection risk, vaccination responses, and the timing of booster vaccinations. We …

Atypical hemolytic uremic syndrome (aHUS) is a subtype of thrombotic microangiopathy
(TMA) characterized by a dysregulation of the alternative complement pathway. Here, we …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a rapidly evolving RNA
virus that mutates within hosts and exists as viral quasispecies. Here, we evaluated the …

Post vaccine immunity following COVID-19 mRNA vaccination may be driven by extrinsic, or
controllable and intrinsic, or inherent health factors. Thus, we investigated the effects of …

Delayed hypersensitivity reactions (DHRs) have been reported in association with COVID-
19 vaccines, particularly those that are mRNA-based. Classic DHRs result in induration …

To the Editor.—Use of SARS-CoV-2 serology to assess risk of SARS-CoV-2 breakthrough
infection (BTI) after COVID-19 vaccination is officially discouraged. 1 Yet some experts …

Background Immune dysregulation in people with human immunodeficiency virus-1 (PWH)
persists despite potent antiretroviral therapy and, consequently, PWH tend to have lower …

Background: Vaccines against COVID-19 target the spike protein. There is minimal
information on longitudinal COVID-19 immune profiling in recovered versus naïve and …

Background: Here, we advance the understanding of the effects of SARS-CoV-2 mRNA
vaccines on humoral immune responses in a cohort of men with HIV-1 (MWH) compared to …

ABSTRACT Background and Objective: The SARS-CoV-2 vaccines of Sinopharm and Pfizer
have been reported to vaccinate more than 7.3 billion people across the globe. However …