Diphtheria is an infectious disease caused by the bacterium Corynebacterium diphtheriae. It primarily affects the mucous membranes of the throat and nose, causing a characteristic thick grayish membrane to form in the throat, which can obstruct the airway and lead to serious complications if not treated promptly. Causative Agents of Diphtheria Corynebacterium diphtheriae is the […]
1. Introduction to Immunity Immunity is the body’s ability to resist and fight off harmful microorganisms, including bacteria, viruses, fungi, and parasites. It involves a complex defense mechanism system that recognizes and eliminates foreign invaders, providing protection against infections and diseases. Types of Immunity a. Innate Immunity: Definition: Present from birth, providing immediate, nonspecific defense […]
Introduction: Vaccines are critical tools in public health, protecting against various infectious diseases by stimulating the immune system to recognize and fight specific pathogens. This overview provides a comprehensive guide to vaccines, covering their definition, types, development, administration, and impact on global health. Definition: Vaccines are biological substances that stimulate the immune system to recognize […]
