A microbiome assessment of medical marijuana

To reduce the risk of infection in highly immunocompromised patients, prophylactic antibacterial, antifungal and antiviral agents are frequently prescribed and patients are routinely advised to reduce their risk of exposure by avoiding soil, plants and cut flowers due to the presence of Aspergillus and other moulds and Nocardia spp. 

Other recommendations to limit exposures include the avoidance of water-retaining materials given their association with Pseudomonas aeruginosa, raw vegetable sprouts (Escherichia coli), undercooked eggs (Salmonella enteritidis), fresh salsa, and berries (Cyclospora etc.) among others. These recommendations do not comment on the infectious risks of medical marijuana substance now legal.

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