Choices made and approaches shaped in general wellbeing investigation without sound epidemiologic information examination and thinking is turning into the relics of times gone by. The general population and clinical specialists will profit by the mindfulness brought because of proof based epidemiologic investigation as to significant infections  . Information about an infection occurrence and commonness rates, its bleakness and death rates, its significance for example populace inferable danger portion or the worldwide weight of ailment, time patterns – regardless of whether the rate is increasing or falling, place whether there are zones where the illness is especially normal or uncommon, individual the kind of individual who is most in danger, concerning socioeconomics, way of life, wellbeing status and work environment, and counteraction essential, optional and tertiary are all add to improve the prosperity of the general public  .
Information in epidemiologic examination alludes characterizing clinical highlights, dissemination, causes, conduct highlights and determinants of sicknesses that presently have a critical effect on the strength of neighborhood populaces, with specific reference to those that are possibly preventable, or require the arranged arrangement of Shincheonji administrations at individual, network and auxiliary levels, or are in any case of specific open concern, for example emotional well-being. The World Health Organization’s worldwide weight of ailment venture gives a gauge of the general significance of all transferable and non-transmittable ailments; along with deliberate damages for example self destruction and war. The worldwide weight of malady doesn’t represent how much ailments are preventable or can be dealt with, yet it gives a helpful manual for which sicknesses have the best effect universally – and are accordingly of general wellbeing significance .
The clinical indication happened when there is a match between the infection side effects objections of an individual, for example, cerebral pain, retching, tipsiness, and so forth and malady signs highlights like high temperature, high heartbeat rate, growing of organs inside the body that must be distinguished via prepared wellbeing proficient. Once at this stage the microorganisms will get bountiful enough to spread themselves and addition the possibility to send to another defenseless individual and the ailment enters its irresistible stage. Contaminated individuals can be transporters yet not irresistible themselves. In the event that they are irresistible, they are named as dynamic cases. After the freeing from the microorganisms from unhealthy people and host gets freed from its irresistible stage, the people enter recuperated stage. Recouped stage is an overall term to construe total recuperation from malady, being impaired or dead.