Medical cannabis as the source of Cryptococcus neoformans infection

Key Points

• This study reveals a direct association between medical cannabis and Cryptococcus neoformans infection.
• Whole genome sequencing showed that the pathogen from the patient's cannabis and cerebrospinal fluid was the same.
• The research was conducted in a patient with refractory multiple myeloma receiving medical cannabis treatment.
• The findings highlight potential risks associated with medical cannabis use, especially for immunocompromised patients.