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Herpes Simplex Virus

Isabella Cemenja

NAME

The word "herpes" comes from the Greek word "to creep or crawl," and it was first used to describe the contagious nature of herpetic skin lesions from 2000 years ago.

HISTORY

According to medical studies, the virus first appeared in chimpanzees and 1.6 million years ago, spread into humans. Because the initial transmission took place so long ago, how the virus is spread is unknown and difficult to solve.

ORIGIN

HOW?

  • Direct skin contact with blood as a result of hostile interactions between primitive humans and apes.
  • Since humans hunted apes, the virus might have been spread during the butchering of chimpanzees.
  • Foods (such as fruit) with chimpanzee saliva that may have been eaten by humans.

THEORIES

CAUSE

CAUSE

There are two forms of the herpes simplex virus (HSV): HSV-1 and HSV-2.

  • HSV-1 causes oral herpes which is most commonly spread by oral-to-oral contact.

  • HSV-2 is a sexually transmitted infection that causes genital herpes.

Who Does It Affect?

WHO?

  • If you kiss or share personal items with a person who has a cold sore, you are at risk of getting HSV-1.

  • HSV-2 infection is more common among women than among men, respectively among 14 to 49 year olds.

HSV virus survives for

short periods of time outside the host.

It can survive on dry inanimate surfaces (survival ranges from few hours to 8 weeks).

SURVIVAL

SYMPTOMS

SYMPTOMS

  • Tingling, itching, or burning on skin
  • Sores
  • Flu-like symptoms
  • Problems urinating
  • An eye infection
  • HSV-1: Blisters around lips, mouth, tongue & face
  • HSV-2: Sores on genitals

EXAMPLES

DIAGNOSIS

  • A healthcare provider may diagnose genital herpes by looking at any sores that are present.
  • Providers can also take a sample from the sore(s) and test it.
  • If sores are not present, a blood test may be used to look for HSV antibodies.

INCUBATION & CONTAGIOUS

PERIOD

HEALING

Incubation period: 2 days to 2 weeks.

Contagious period: During the first infection, people shed the virus for at least a week and, occasionally, for several weeks after signs or symptoms appear.

TREATMENT

Antiviral medicines can reduce the chance of spreading HSV-1 & 2 to others.

There is no cure for genital herpes. However, daily use of antiviral medicines can prevent or shorten outbreaks.

TREATMENT

RESOURCES

WORKS CITED

  • https://emedicine.medscape.com/article/218580-overview
  • https://www.healthline.com/health/herpes-simplex
  • https://health.ucsd.edu/news/releases/pages/2014-06-10-herpes-origins-in-chimpanzees.aspx
  • https://my.clevelandclinic.org/health/diseases/22855-herpes-simplex
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