Beta-mannosidosis is believed to be a very rare disorder. Approximately 20 affected individuals have been reported worldwide. It is difficult to determine the specific incidence of beta-mannosidosis, because people with mild or non-specific symptoms may never be diagnosed.
How many people are affected by beta-mannosidosis ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by beta-mannosidosis ? [/INST] \n Beta-mannosidosis is believed to be a very rare disorder. Approximately 20 affected individuals have been reported worldwide. It is difficult to determine the specific incidence of beta-mannosidosis, because people with mild or non-specific symptoms may never be diagnosed.</s>