Diagnostic Microbiology and Infectious Diseases

Types of Infectious Diseases

Infectious diseases are caused by pathogenic microorganisms.The  diseases can be spread, directly or indirectly, from one person to another. Zoonotic diseases are infectious diseases of animals that can cause disease when transmitted to humans. Infectious diseases are transmitted in several ways such as airborne, respiratory, food or water, insects, direct contact, indirect contact, fecal-oral and vector transimission.                     Hepatitis B,  Hepatitis C, Human Immunodeficiency Virus (HIV), Tuberculosis (TB), Chlamydiatrachomatis and Neisseria gonorrhoeae (CT/NG), humanpapillomavirus (HPV), Methicillin resistant Staphylococcus aureus (MRSA), and others (Influenza, Ebola, Typhoid, Malaria, Dengue and Zika) are some of the wide spread infectious diseases in the world. Out of which some of them yet don’t have any known medicine. Based on WHO's statistics,the combination of AIDS, malaria, and tuberculosis is responsible for half (approximately 5 million) of all infectious-disease deaths each year.