Low power Laser irradiation is used in medical practice for different
indications. Several firms which commercialise Laser claim that Laser
irradiation may be benefical towards Herpes virus pathogenicity. We ob
serve that, in the ear experimental model of HSV latency [3], repeated
exposure to infrared Laser radiation of cervical ganglia following HS
V inoculation appears to specifically hinder the establishment of viru
s latency in mouse.