immunology Part 4 Flashcards
What is a vaccine?
A product that produces immunity from a disease and can be administered through needle injections, mouth or aerosol
What is vaccination?
The injection of a weakened organism that produces immunity in the body against that organism
What do vaccines contain and in what form is this in?
Pathogens that cause the disease, in a weakened state which is not strong enough to make the recipient ill
What does the weakened state of the pathogen do?
Stimulates the immune system, allows it to learn how to fight off the pathogen and in future, you are more likely to recover from the infection quickly
What is immunisation?
A process in which a person becomes protected from disease
What is sanitation?
Conditions relating to public health, such as provision of clean drinking water and adequate sewage disposal
What is a pandemic?
An epidemic occurring worldwide, crossing international boundaries and affecting a large number of people
What is an epidemic?
A temporary or periodical outbreak of a disease in a particular location
What is an endemic?
A disease constantly present in a particular location or group of people
What is an example of an endemic?
Malaria in tropical countries
What are some examples of epidemics?
Winter flu, common cold, measles
What are some examples of pandemics?
AIDS, spanish flu, COVID-19
How is evidence of disease shown by?
Symptoms
What are symptoms?
The result of physical or chemical damage, a deficiency a necessary requirement, or an inappropriate response to the environment
What does a doctor do with symptoms of a patient?
Examines them and makes a diagnosis