Section 16.02.10.490 - MYOCARDITIS, VIRAL01.Reporting Requirements. Each case of viral myocarditis must be reported to the Department or Health District within three (3) working days of identification.02.Investigation. Each reported case of viral myocarditis must be investigated to confirm the diagnosis, identify clusters or outbreaks of the infection, and identify the agent or source of the infection.Idaho Admin. Code r. 16.02.10.490