INTRODUCTION · Human body is exposed, at all times, to a variety of disease-causing organisms - pathogens. Pathogenic organisms are- bacteria, viruses, fungi and parasites. · Pathogenic organisms enter the body through the air …
· A disease is a physical, mental and physiological disorder of the body. · Diseases that have a significant impact on society are called socially significant diseases. For example, drug abuse, smoking, alcoholism. · General…
· Hepatitis is a communicable viral disease characterized by infection and inflammation of the liver. · It is caused by viruses, toxic substances (drugs) and circulatory disturbances. · There are many well-known heterogenous …