The current edition of the MMWR from the CDC shows that among those vaccinated against COVID-19, there is a low risk of severe outcomes (hospitalization and death); the highest risk is seen in those with multiple comorbidities.

Among immunocompromised individuals vaccinated against COVID-19, solid organ transplant recipients as well as those with HIV and rheumatoid arthritis (RA) were significantly more likely to experience breakthrough infections versus people without immune dysfunction, a retrospective study found.

The journal Cells has published a review of new rheumatic disorders following COVID-19 infection. Rheumatologists have infrequently noted such events and wondered what is the true incidence or range of possible manifestations.

Multisystem inflammatory syndrome in children (MIS-C) is new and serious complication of COVID-19 that preferentially affects adolescents. A review of proposed management guidelines is compiled in this report, suggesting a unified approach to therapeutic management of MIS-C.