Case investigation is the identification and investigation of sufferers with confirmed and possible diagnoses of COVID-19, and speak to tracing is the next identification, monitoring, and assist of their contacts who’ve been uncovered to, and probably contaminated with, the virus. Immediate identification, voluntary quarantine (hereinafter known as self-quarantine on this doc except in any other case famous), and monitoring of those COVID-19 contacts can successfully break the chain of illness transmission and forestall additional unfold of the virus in a group. Whereas case investigation and speak to tracing for COVID-19 could also be new, well being departments and frontline public well being professionals who carry out these actions have expertise conducting these actions for tuberculosis, sexually transmitted infections, HIV, and different infectious ailments. Case investigation and speak to tracing are well-honed expertise that adapt simply to new public well being calls for and are efficient instruments to gradual the unfold of COVID-19 in a group.
This steering goals to supply a basis for state, territorial, native, and tribal improvement of case investigation and speak to tracing plans. It is very important notice that COVID-19 case investigation and speak to tracing actions will range primarily based on the extent of group transmission, traits of the group and their populations, and the native capability to implement case investigation, contact tracing, and COVID-19 testing.