You are viewing a free preview of this lesson.
Subscribe to unlock all 10 lessons in this course and every other course on LearningBro.
Vaccination is one of the most important medical developments in human history. It uses the body's own immune system to provide protection against specific diseases without the person having to suffer the disease itself. This lesson covers how vaccines work, the benefits and risks of vaccination programmes, and why widespread vaccination is important for public health.
A vaccine contains a small quantity of a dead or inactive form of a pathogen (or parts of the pathogen, such as surface antigens). When injected into the body, it stimulates the immune system to respond as if it were a real infection.
Subscribe to continue reading
Get full access to this lesson and all 10 lessons in this course.