Question: What Are The Key Components Of A Public Health Surveillance System?

What makes a good public health surveillance system?

Subsequent sections focus on the attributes of a surveillance system (simplicity, flexibility, acceptability, sensitivity, predictive value positive, representativeness, and timeliness) and demonstrate how these combine to affect the usefulness and cost of a system..

What are the 5 steps of surveillance?

But surveillance involves carrying out many integrated steps by many people:Reporting. Someone has to record the data. … Data accumulation. Someone has to be responsible for collecting the data from all the reporters and putting it all together. … Data analysis. … Judgment and action.

What is the goal of public health surveillance?

Public health surveillance provides the scientific and factual database essential to informed decision making and appropriate public health action. The key objective of surveillance is to provide information to guide interventions.

WHO Steps surveillance?

The WHO STEPwise approach to Surveillance (STEPS) is a simple, standardized method for collecting, analysing and disseminating data in WHO member countries.

How do you know you are under surveillance?

Confirming Physical Surveillance Assume you’re under surveillance if you see someone repeatedly over time, in different environments and over distance. For good measure, a conspicuous display of poor demeanor, or the person acting unnaturally, is another sign that you might be under surveillance.

What are the forms of surveillance?

Common Types of Surveillance There are a variety of ways to carry out surveillance, including the use of electronics, physical observation, conducting interviews, and using technology.

What is the objective of surveillance?

The purpose of surveillance is to provide information for action, and as such the design of a surveillance system should be shaped by the information requirements (surveillance system outputs) of those responsible for taking the control and prevention action that is to be informed by the system.

What are the 3 main types of public health surveillance?

Types of SurveillanceSentinel Surveillance.Accelerated Disease Control – National Active.National Passive.

What are the two types of surveillance?

There are two primary types of disease surveillance: passive and active.

Why do we undertake public health surveillance?

Surveillance systems generate data that help public health officials understand existing and emerging infectious and non-infectious diseases. Without a proper understanding of the health problem (etiology, distribution, and mechanism of infection), it will be difficult to ameliorate the health issue.

How do you set up a public health surveillance system?

The general steps for developing a surveillance system include:Establish objectives.Develop case definitions.Determine data sources data-collection mechanism (type of system)Determine data-collection instruments.Field-test methods.Develop and test analytic approach.Develop dissemination mechanism.More items…•

What is public health surveillance?

Disease surveillance is an information-based activity involving the collection, analysis and interpretation of large volumes of data originating from a variety of sources. The information collated is then used in a number of ways to. Evaluate the effectiveness of control and preventative health measures.