Fever, muscle aches, nausea or diarrhea are the most common symptoms, but the infection can spread to the nervous system, causing headaches, a stiff neck and convulsions. About 2,500 people become seriously ill in the United States each year from listeria and about 500 die.
Confidence votes 40.5K. The symptoms are your body's way of reacting to a disease. It is often said that pathogens are the same as germs and cause only infectious disease, however, the word can mean the agent that causes any type of disease.iseases caused by pathogens are often contagious and include things such as Meningitis, Influenza and Tuberculosis. Diseases not caused by pathogens are generally things wh â¦ ich go wrong in the body. For example, Cancer, Multiple Sclerosis and Motor Neurone Disease are all diseases not caused by pathogens.
Making the world better, one answer at a time. Pathogenic diseases are caused by what is called a pathogen. Pathogens are parasitic organisms that cause disease int heir host.There are five different groups of pathogens: Viruses, bacteria, fungi, protozoans and parasitic worms. Deficiency diseases are just as the name suggests.They are caused by a deficiency of a particular nutrient in the diet. Hereditary diseases are passed on through generations via their genes.here are five different groups of pathogens: Viruses, bacteria, fungi, protozoans and parasitic worms. Deficiency diseases are just as the name suggests. They are caused by a deficiency of a particular nutrient in the diet.