Answer
An infectious disease is considered to be emerging if it has recently manifested in a community, has existed but is rapidly expanding in prevalence or geographic scope, or is brought on by one of the NIAID Category A, B, or C priority pathogens.
Example
• Hendra and Nipah viruses
• Hantaviruses in addition.
• VIRUSES CAUSED BY TICK-BORE HEMORRHAGE (Bunyaviruses, Flaviviruses)
• Flaviviruses associated with tick-borne encephalitis.