Purpose Of Review: To summarize data from recent reports about risks and outcomes of the infections most often reported in patients with sarcoidosis.
Recent Findings: Rates of fungal infections and other severe infections are higher in patients with sarcoidosis compared to controls. Immunosuppression further increases the risk for an infection requiring hospitalization. In contrast, outcomes of coronavirus disease 2019 (COVID-19) are not worse unless lung impairment or other comorbidities are present.
Summary: Tuberculosis, fungal infections, and other severe infections requiring hospital admission are, fortunately, relatively rare in patients with sarcoidosis who live in nonendemic regions. However, ongoing vigilance is required when the course of sarcoidosis is atypical or inexplicably progressive, as costs are high when these infections are missed. In contrast, COVID-19 and other respiratory viral illnesses are common, including among patients with sarcoidosis. When organ impairment is minimal, an underlying diagnosis of sarcoidosis does not appear to increase the risk of severe COVID-19, but patients may have higher risks due to comorbidities, which are important factors to address in routine sarcoidosis care. The burden from respiratory viral events, including impacts on quality of life and life functionality including work capacity, is unknown and is important to measure.
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