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[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 ...
The risk of spread between a couple is about 7.5% over a year. [6] HSV is classified into two types, HSV-1 and HSV-2. [1] While historically HSV-2 was more common, genital HSV-1 has become more common in the developed world. [1] [7] Diagnosis may occur by testing lesions using either PCR or viral culture or blood tests for specific antibodies. [1]
Another strain, HSV-2 usually causes genital herpes, although the strains are very similar and either can cause herpes in any location. While the disease is commonly passed through normal human contact, it is strongly associated with contact sports — outbreaks in sporting clubs being relatively common. [ 2 ]
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 ...
Only 5% of pregnant women were infected with HSV-2, and 98% were infected with HSV-1. Prevalence of these viruses was higher in sex workers of Istanbul, reaching levels of 99% and 60% for HSV-1 and HSV-2 prevalence respectively. [29] Jordan— The prevalence of HSV-2 in Jordan is 52.8% for men and 41.5% for women. [30]
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 ...
It is very common and contagious; about 67% of the world population under the age of 50 has Human alphaherpesvirus 1. [4] It is often acquired orally during childhood. It may also be sexually transmitted, including contact with saliva, such as kissing and mouth-to-genital contact . [5] The virus tends to reside in the trigeminal ganglia.
It is estimated to affect at least 1 in 500,000 individuals per year, [1] and some studies suggest an incidence rate of 5.9 cases per 100,000 live births. [ 2 ] About 90% of cases of herpes encephalitis are caused by herpes simplex virus-1 (HSV-1), the same virus that causes cold sores .
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