Pulmonary cryptococcosis in a patient with Crohn's disease treated with prednisone, azathioprine and adalimumab: Exposure to chicken manure as a source of contamination

Cryptococcosis is an opportunistic infection that can occur under anti-TNFα therapy. The environmental exposure to Cryptococcus spp. (in particular in chicken manure) is a source of contamination. Avoiding exposition to bird manure should be a recommendation for patients who are living in rural areas.