51.   Some people survive severe symptoms.

52.   Some people carry the gene but never develop severe symptoms of the disease, which mainly affects Southeast Asians and people from the Mediterranean.

53.   The FDA stressed that Prosorba is only for the small proportion of patients with moderate to severe symptoms for whom all other treatments have failed.

54.   The recommendations deal with hemorrhagic fever viruses, whose most severe symptom is bleeding under the skin or from body orifices.

55.   Those who had never had immunotherapy reported much more severe symptoms than the others.

56.   Those who responded to the drug with smaller strokes also had less severe symptoms.

57.   While gene therapy studies usually involve people whose diseases are so advanced that traditional treatment does not work, the Penn experiment included OTC sufferers with less severe symptoms.

58.   Yet once they got sick they died, on average, a year sooner than those who did not take any drugs until severe symptoms began.

59.   - Patients with less severe symptoms are also helped by non-medical treatments.

60.   One explanation for the sudden onset of severe symptoms is that some beans on the market are unfit for consumption because of contamination by pesticides.