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HSV-1 was the cause of 62.5% of cases of neonatal herpes of known type, and 98.3% of transmission was asymptomatic. [16] Asymptomatic genital HSV-1 has been shown to be more infectious to the neonate, and is more likely to produce neonatal herpes than HSV-2.
HSV-1 is predominantly responsible for oral, facial and ocular infections whereas HSV-2 is responsible for most genital and cutaneous lower herpetic lesions. Both HSV-1, and HSV-2 can be the cause of herpetic gingivostomatitis, [5] although HSV-1 is the source of infection in around 90% of cases. [6]
[1] [2] Both HSV-1 and HSV-2 are very common and contagious. They can be spread when an infected person begins shedding the virus. As of 2016, about 67% of the world population under the age of 50 had HSV-1. [3] In the United States, about 47.8% and 11.9% are estimated to have HSV-1 and HSV-2, respectively, though actual prevalence may be much ...
There are two types of herpes simplex virus, type 1 (HSV-1) and type 2 (HSV-2). [1] HSV-1 more commonly causes infections around the mouth while HSV-2 more commonly causes genital infections. [2] They are transmitted by direct contact with body fluids or lesions of an infected individual. [1] Transmission may still occur when symptoms are not ...
HSV-1 causes 66.3% of genital herpes in the Tel Aviv area. [35] Syria— Genital herpes infection from HSV-2 is predicted to be low in Syria although HSV-1 levels are high. HSV-1 infections is common (95%) among healthy Syrians over the age of 30, while HSV-2 prevalence is low in healthy individuals (0.15%), and persons infected with other ...
Nine herpesvirus types are known to primarily infect humans, [7] at least five of which are extremely widespread among most human populations, and which cause common diseases: herpes simplex 1 and 2 (HSV-1 and HSV-2, also known as HHV-1 and HHV-2; both of which can cause orolabial and genital herpes), varicella zoster (VZV or HHV-3; the cause ...
HSV-1 whitlow is often contracted by health care workers that come in contact with the virus; it is most commonly contracted by dental workers and medical workers exposed to oral secretions. [2] [3] It is also often observed in thumb-sucking children with primary HSV-1 oral infection (autoinoculation) prior to seroconversion, [1] and in adults ...
Infection by the type 1 strain of herpes simplex virus (HSV-1) is most common; however, cases of oral infection by the type 2 strain are increasing. [14] Oral HSV-2 shedding is rare, and "usually noted in the context of first episode genital herpes." [21] In general, both types can cause oral or genital herpes. [22] [23] [24]