Public health is the science of protecting and improving the health of communities through promotion of healthy lifestyles, disease prevention, and control of environmental hazards.
What is epidemiology?
Epidemiology is the study of how diseases spread and impact different populations.
What are the 3 main objectives of public health?
The 3 main objectives of public health are to promote health, prevent diseases, and protect communities.
What is the difference between infectious and non-infectious diseases?
Infectious diseases are caused by pathogens (such as bacteria or viruses) and can be transmitted from person to person. Non-infectious diseases are not caused by pathogens and cannot be transmitted.
What are some examples of infectious diseases?
Examples of infectious diseases include influenza, tuberculosis, malaria, and COVID-19.
What are some examples of non-infectious diseases?
Examples of non-infectious diseases include heart disease, diabetes, cancer, and asthma.
What is a pandemic?
A pandemic is a worldwide outbreak of a disease that affects a large number of people.
What is the role of epidemiologists?
Epidemiologists study patterns of diseases, identify risk factors, and develop strategies for disease prevention and control.
What is contact tracing?
Contact tracing is the process of identifying and monitoring individuals who may have been in contact with an infected person in order to prevent further transmission of a disease.
What is herd immunity?
Herd immunity is when a large proportion of a population becomes immune to a disease, either through vaccination or prior infection, which helps protect those who are not immune.
What is the role of public health agencies?
Public health agencies are responsible for monitoring and responding to public health threats, promoting health education, and implementing disease prevention and control measures.
What are vaccines?
Vaccines are substances that stimulate the immune system to produce a response against specific diseases, providing immunity without causing the actual disease.
What is the importance of hand hygiene in preventing disease transmission?
Hand hygiene, such as washing hands with soap and water or using hand sanitizers, helps prevent the spread of pathogens and reduces the risk of infection.
What is the incubation period of a disease?
The incubation period is the time between exposure to a pathogen and the onset of symptoms. It varies depending on the specific disease.
What are risk factors?
Risk factors are characteristics or behaviors that increase the likelihood of developing a disease. Examples include smoking, poor diet, and lack of exercise.