Polycystic kidney disease can cause abdominal pain, headaches, and pain in the sides and back. Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight. Hydronephrosis is a condition of the kidneys and causes aching or pain, urinary symptoms, fever, and nausea.
Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa. They include organisms classified in Amoebozoa, Excavata, and Chromalveolata. Examples include Entamoeba histolytica, Plasmodium (some of which cause malaria), and Giardia lamblia. Trypanosoma brucei, transmitted by the tsetse fly and the cause of African sleeping sickness, is another example.
These âbad-newsâ microbes are called disease-causing microbes and can make humans, animals and plants sick by causing infection and disease. Most microbes belong to four major groups: bacteria, viruses, protozoa or fungi.(To find out more, see the âBacteria/Viruses/Protozoaâ fact sheets).Disease-causing microbes can also be called pathogens, germs or bugs and are responsible for causing infectious diseases.They can also contribute to chronic diseases and conditions, and are now being linked with coronary artery disease, diabetes, and certain types of cancer, multiple sclerosis and chronic lung disease.ost microbes belong to four major groups: bacteria, viruses, protozoa or fungi. (To find out more, see the âBacteria/Viruses/Protozoaâ fact sheets). Disease-causing microbes can also be called pathogens, germs or bugs and are responsible for causing infectious diseases.