Importance Persons with immune dysfunction have a higher risk for severe COVID-19
outcomes. However, these patients were largely excluded from SARS-CoV-2 vaccine …

Importance Recommendations for additional doses of COVID-19 vaccines for people with
HIV (PWH) are restricted to those with advanced disease or unsuppressed HIV viral load …

The incidence of COVID-19 breakthrough infections—an infection that occurs after you have
been vaccinated—has increased in frequency since the Delta and now Omicron variants of …

Importance With a large proportion of the US adult population vaccinated against SARS-
CoV-2, it is important to identify who remains at risk of severe infection despite vaccination …

Limited data exists on the effectiveness of a third COVID-19 vaccine dose in solid organ
transplant recipients. We conducted a population-based cohort study using linked …

Purpose: Solid organ transplant recipients (SOTR) have a high risk for severe COVID-19
infection; hence it is necessary to find alternative treatment strategies to protect these …

Diminished immune response to coronavirus disease 2019 (COVID-19) vaccines and
breakthrough infection (BI) is a major concern for solid organ transplant recipients. Humoral …

As solid organ transplant recipients are at high risk of severe COVID-19 and respond poorly
to primary SARS-CoV-2 mRNA vaccination, they have been prioritized for booster …

Understanding if persons with HIV (PWH) have a higher risk for SARS-CoV-2 reinfection
may help tailor future COVID-19 public health guidance. To determine whether HIV infection …

Background. Few studies have described the clinical impact of anti–severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) vaccines in renal transplant recipients (RTRs) in the …