At first you have to know what surveillance system is – it is an essential part of securing your home or business. We can monitor and manage our any kind of business i.e., that is domestic as well as commercial purpose. This system can range from wireless home security cameras to advance alarm system to notify us if any sign of trouble came. CCTV installation in Kolkata is must because it is a popular city and lots of crimes indeed happens that’s why it is important.
Most home security cameras are motion-activated which is used to record whenever they detect motion as well as send you a signal. Wireless security cameras use WI-FI to transmit surveillance footage to a cloud-based server over the internet it also allows you to view the footage on any internet connection device.
It is important in helping many countries to monitor, manage and evaluate the emerging pattern and trends of disease. Surveillance is crucial because it also contributes for the betterment of prevention and management of non-communicable disease. Information from surveillance system can be used to monitor and control the burden of a disease over time, it also detects many changes in disease occurrence determine the risk factors for the disease and populations at a greatest risk which guide us immediately for public health actions for single patient or the community guide programs. The role of surveillance is to collect, analysis and dissemination of result for purpose of prevention. It tells us from which problem we are suffering, how much it affects us, either the problem is big or small, what will be the solution, whether it will improve or deterioration.
There are two primary types of surveillance: passive and active. Active is more expensive but it provides the most accurate and timely information. Passive surveillance is a system by which a health power receives the reports submitted from hospitals, clinics, public health units, or other sources. Surveillance system is very much important in our life, it can be used to estimate the magnitude of specific problems, determine our illness, it portrays the nature of the disease, evaluate control measures, monitor changes and planning other facilities.
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