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الرئيسية » 🔬موسوعة التحاليل الطبية » Virusology » فيروسات الكبد Hepatitis Viruses HBV – HCV – HAV – HDV -HEV – HGV

فيروسات الكبد Hepatitis Viruses HBV – HCV – HAV – HDV -HEV – HGV

نبذه مختصره تشمل اللب عن فيروسات الكبد

Hepatitis Viruses

🌹اولا:-

الأنواع Types

تشمل سته انواع فيروسات الكبد وهي الأنواع التاليه:

1- Hepatitis B virus (HBV)

2- HCV

3- HAV

4- HDV

5-HEV

6- HGV

🌹ثانيا:-

الأعراض

symptoms of viral hepatitis

تكون الأعراض في فيروسات الكبد على النحو التالي:

– Nausea, loss of appetite ,malaise and enlarged liver

– Jaundice , fever, headache, skin rash and pain in joint.

🌹ثالثا:-

الان نتكلم عن كل نوع على حده في معلومات مختصره وأساسية على النحو التالي؛


HBV

الصفات العامه General characteristics

يتميز فيروس الكبد بي بالصفات التاليه:-

Icosahedral form with about 42 nm in size

Enveloped virus

DNA in genome

طريقه الانتقال Transmission
وتتم طريقه الانتقال عن طريق التالي:-

– Through blood and body fluids

– sexually transmitted

-Mother to child

-Close contact

الامراض Diseases
الامراض التي يسببها فيروس الكبد بي تكون على النحو التالي:

– Hepatitis B disease

– Acute and chronic hepatitis

– Liver carcinoma

دلالات الفيروس والتي تسمى Hepati Markers

وهي على النحو التالي:-

-HbsAg (surface antigen)

– HbsAb(surface Abs)

– HbeAg(envelope Ag)

-HbeAb(envelope Abs)

-HbcAg (core Ag; non detectable because it’s found only in hepatocytes )

-HbcAb(core Abs)


HCV فيروس الكبد سي

الصفات العامه characteristics
وهي على النحو التالي:-

– complex form with 40-50 nm in size

– Enveloped virus

– RNA in genome

طريقه الانتقال Transmission
وتكون على النحو التالي:

– Blood transmission

– Mother to child

– sexually transmitted

الامراض Diseases
وتكون على النحو التالي:

– Hepatitis C disease

– Hepatic carcinoma

– Liver cirrhosis


HAV فيروس الكبد ايه

الصفات العامه characteristics
وتكون على النحو التالي:

-Icosahedral form with 23-30 nm in size

– Non enveloped virus

– RNA in genome

طريقه الانتقال Transmission
وتكون على النحو التالي:-

– Faecal oral route ( either drinking or eating)

الامراض Diseasesويكون على النحو التالي:

– Hepatitis A disease which is found especially in children


HDV

الصفات العامه characteristics
وتكون على النحو التالي:

-Helical form with about 37 nm in size

– Enveloped virus

– DNA in genome ( Incomplete virus)

– HDV found only in those infected with HBV

طريقه الانتقال Transmission
وتكون طريقه الانتقال مثل طريقه الانتقال في حاله فيروس الكبد بي HBV

المرض ويسمى
Hepatitis D disease


HEV

الصفات العامه Characteristics
وتكون على النحو التالي:

– Icosahedral form with 27- 38 nm in size

– Non enveloped virus

-RNA in genome

طريقه الانتقال Transmission
وتكون على النحو التالي:

– Faecal oral route( often via faecally contaminated water)

الامراض Diseases
ويكون على النحو التالي:-

– Hepatitis E disease which can be severe and may be fatal( 10-30%) mortality rate when the infection in late stage of pregnancy


HGV

الصفات العامه characteristics
وتكون على النحو التالي:

– complex form with 40-50 nm in size

– Enveloped virus

– RNA in genome

طريقه الانتقال Transmission
وتكون على النحو التالي:

– Blood transmission

– Body fluids and may be found in all body tissues

الامراض Diseases
وتكون على النحو التالي:

– Hepatitis G disease which also known Flu- like symptoms and possibly more severe disease.

تحياتي لكم

*🌹داليا احمد الشرعي🌹*

حول: هلال سود
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