Epidemiology and Surveillance

Epidemiologic surveillance is the continuous systematic collection, recording, study, analysis, and dissemination of data reflecting the current public health status of society. The scope of epidemiologic surveillance has derived from primary focus on infectious disease monitoring and intervention to a more scope that includes injuries, environmental exposures, and social factors that influence health status.

Surveillance is a tool used to study epidemics and public health emergencies. This process includes: suspicion of an infectious disease, confirmation of disease, disease reporting, case investigation, prevention and control to limit the spread of disease, and feedback to educate health practitioners and healthcare providers about the epidemiologic characteristics of disease and its burden in the population. Provide electronic surveillance of communicable disease.

Sentinel Surveillance

A sentinel observation framework is utilized when brilliant information are required about a specific illness that can't be gotten through a detached framework. Chosen revealing units, with a high likelihood of seeing instances of the sickness being referred to, great research center offices and experienced all around qualified staff, recognize and tell on specific ailments. While most aloof reconnaissance frameworks get information from whatever number wellbeing laborers or wellbeing offices as could be expected under the circumstances, a sentinel framework intentionally includes just a constrained system of deliberately chose revealing destinations. For instance, a system of expansive clinics may be utilized to gather amazing information on different ailments and their causative living beings, for example, intrusive bacterial infection caused by Haemophilus influenzae sort b, meningococcus or pneumococcus.


Information gathered in an all around composed sentinel framework can be utilized to flag patterns, recognize flare-ups and screen the weight of malady in a group, giving a quick, temperate contrasting option to other observation strategies. Since sentinel reconnaissance is directed just in chosen areas, in any case, it may not be as successful for distinguishing uncommon ailments or ailments that happen outside the catchment regions of the sentinel destinations.

National Active

Dynamic observation includes going to wellbeing offices, conversing with social insurance suppliers and assessing therapeutic records to recognize associated cases with infection under reconnaissance. Assigned dynamic reconnaissance staff frequently visit wellbeing offices face to face to look for suspected cases among people who may have gone to the office. It includes physical audit of restorative records and registers, interviews with wellbeing laborers and visits to pertinent outpatient centers and doctor's facility wards. At the point when a case is discovered, the dynamic reconnaissance staff explore it, record clinical and epidemiological information, orchestrate to send suitable lab examples and report the data quickly, as per national arrangement. This technique is typically utilized when a malady is focused for annihilation or end, when each conceivable case must be found and explored. It is likewise utilized for episode examinations.

  • Sentinel Surveillance
  • National Active

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