The Balamuthia amoeba is able to infect  anyone, including healthy people. Those at increased risk for infection include people with HIV/AIDS, cancer, liver disease, or  diabetes mellitus, people taking immune system inhibiting drugs, alcoholics, young  children or the elderly and pregnant women..
Granulomatous amoebic encephalitis risk factors
Cholera risk factors
Viral encephalitis risk factors
Cyclosporiasis risk factors
Schistosomiasis risk factors
Psittacosis risk factors
Ebola risk factors
Leptospirosis risk factors