The postcards include information about how families impacted by the illness can contact CBC News/Radio-Canada journalists, endeavouring to learn more about their experiences. According to Public Health, symptoms include memory problems, muscle spasms, balance issues or difficulty walking, behaviour changes, pain in the upper or lower limbs and blurred vision or visual hallucinations. A March memo from Public Health said the disease, though not Creutzfeldt-Jakob disease, or CJD, shares many similarities to it. Public Health officials don't know what's causing the symptoms of the mystery illness, but as of May, the leading hypothesis was that it's caused by something environmental. It's not a clinical investigation and it's separate from the investigation Public Health is doing.

Source: CBC News July 13, 2021 13:40 UTC