UPSC Exam > UPSC Notes > Medical Science Optional Notes for UPSC > Herpes Virus
Herpes Virus | Medical Science Optional Notes for UPSC PDF Download
| Table of contents |
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| Herpes Simplex Virus |
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| HSV 1 vs HSV 2 |
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| Pathogenicity |
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| Lab Diagnosis of Herpes Virus |
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Herpes Simplex Virus
HSV is a double-stranded DNA virus with two genomic subtypes:
- HSV-1 is found in lesions in and around the mouth and is transmitted through direct contact or droplet spread.
- HSV-2 is the primary cause of most genital herpes infections and is transmitted through sexual routes.
Between 1 and 26 days, an accurate clinical diagnosis can be established when characteristic multiple vesicular lesions on an erythematous base are observed, as depicted in the image.
Question for Herpes VirusTry yourself: Which subtype of the Herpes Simplex Virus (HSV) is primarily responsible for most genital herpes infections?View Solution
HSV 1 vs HSV 2
Pathogenicity
One of the most prevalent viral infections in humans is sourced from saliva, skin lesions, and respiratory secretions.
Question for Herpes VirusTry yourself: What is the main difference between HSV 1 and HSV 2 in terms of pathogenicity?View Solution
Lab Diagnosis of Herpes Virus
Wright or Giemsa stain
Herpes Virus-Repeats
- Provide a description of herpes viruses and the lesions they produce (1995).
- Explore the pathogenicity and laboratory diagnosis of Herpes simplex virus infection (2001).
- Delve into the pathogenicity and laboratory diagnosis of Herpes simplex virus (2013).
The document Herpes Virus | Medical Science Optional Notes for UPSC is a part of the UPSC Course Medical Science Optional Notes for UPSC.
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FAQs on Herpes Virus - Medical Science Optional Notes for UPSC
| 1. What is the difference between HSV 1 and HSV 2? |  |
Ans. HSV 1 and HSV 2 are two different strains of the Herpes Simplex Virus. HSV 1 is typically associated with oral herpes, causing cold sores or fever blisters around the mouth and on the face. HSV 2, on the other hand, is primarily responsible for genital herpes, causing sores and blisters in the genital area. However, it is important to note that both strains can infect either location.
| 2. How does the Herpes Simplex Virus cause disease? | |
Ans. The Herpes Simplex Virus enters the body through direct contact with an infected person's skin or mucous membranes. After entering the body, the virus replicates and travels along nerve fibers to the sensory nerve ganglia, where it establishes a lifelong infection. This can lead to recurrent outbreaks of sores and blisters in the affected area, accompanied by symptoms such as itching, tingling, and pain.
| 3. How is herpes virus diagnosed in the laboratory? | |
Ans. Laboratory diagnosis of herpes virus involves several methods. One common approach is to collect a swab sample from a suspected lesion or sore and perform polymerase chain reaction (PCR) testing to detect and amplify the viral DNA. Another method is viral culture, where the swab sample is used to grow the virus in a laboratory setting. Additionally, blood tests can be conducted to detect the presence of herpes antibodies, indicating a past or current infection.
| 4. What is the pathogenicity of the Herpes Simplex Virus? | |
Ans. The Herpes Simplex Virus is highly pathogenic, meaning it has the ability to cause disease in humans. Its pathogenicity is attributed to its ability to establish a lifelong infection and reactivate periodically, leading to recurrent outbreaks of sores and blisters. The virus can also cause more severe complications, such as encephalitis (inflammation of the brain) and neonatal herpes (infection in newborns), particularly if transmitted during childbirth.
| 5. Can herpes simplex virus be completely cured? | |
Ans. Currently, there is no cure for herpes simplex virus infection. Once a person is infected, the virus remains in their body for life, residing in the nerve ganglia. However, antiviral medications can help manage symptoms, reduce the frequency and duration of outbreaks, and lower the risk of transmission to others. It is important for individuals with herpes to practice safe sex, use barrier methods, and inform their sexual partners to minimize the risk of spreading the virus.
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About this Document
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Dec 18, 2024 Last updated |
Document Description: Herpes Virus for UPSC 2024 is part of Medical Science Optional Notes for UPSC preparation.
The notes and questions for Herpes Virus have been prepared according to the UPSC exam syllabus. Information about Herpes Virus covers topics
like Herpes Simplex Virus, HSV 1 vs HSV 2, Pathogenicity, Lab Diagnosis of Herpes Virus and Herpes Virus Example, for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Herpes Virus.
Introduction of Herpes Virus in English is available as part of our Medical Science Optional Notes for UPSC
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