Eventually, what started out as an investigation about
symptoms like sneezing and watery eyes, may lead to the determination
of a
fatal disease or incurable
cancer, rather than what is really just a mild allergic reaction.
After infection, some healthy people experience a month or more
of flu - like
symptoms, but the disease can cause seizures and potentially
fatal encephalitis in the immunocompromised, including patients receiving transplants, those with HIV / AIDS,
cancer patients, the elderly, and young children.