Learning Goal: To practice Tactics Box 23.1 Using Kirchhoffâ'loop law. Circuit analysis is based on Kirchhoff's laws, which can be summarized as follows: â¢ Kirchhoff's junction law says that the total current into a junction must equal the total current. leaving the junction.
Types of Surveillance Systems. Public health departments at local, state, and national levels routinely use different surveillance systems. Here is an overview of some of these systems, including vital statistics, disease reporting, and surveys. There are more specialized surveillance systems, including sentinel surveillance, zoonotic disease surveillance, adverse events surveillance, syndromic surveillance, disease registries, and laboratory surveillance.
Inverse surveillance is typically an activity undertaken by those who are generally the subject of surveillance, and may thus be thought of as a form of ethnography or ethnomethodology study (i.e. an analysis of the surveilled from the perspective of a participant in a society under surveillance).