GI 14 Flashcards
Hepatitis A Family
Picornaviridae
Hepatitis B Family
Hepadnaviridae
Hepatitis C Family
Flaviviridae
Hepatitis A Genome
ssRNA
Hepatitis B Genome
clsDNA
Hepatitis C Genome
ssRNA
Hepatitis A Mode of transimission
Faecal-Oral
Hepatitis B Mode of transimission
Blood Sexual Mother to child
Hepatitis C Mode of transimission
Blood Sexual Mother to child
Incubation period for Hepatitis A is
2-6 weeks
Incubation period for Hepatitis B is
1-6 months
Incubation period for Hepatitis C is
4- 26 weeks
Acute mortality rate by Hepatitis A,B and C is same
0.2%
Infection period for Hepatitis A
2 weeks before onset to 1 week after symptoms subside
Infection period for Hepatitis B
Many weeks before onset to life in carriers
Infection period for Hepatitis C
1 or more weeks before onset to life if carriers
Percentage of Chronicity of Hepatitis A
None
Percentage of Chronicity of Hepatitis B
5-10 %
Percentage of Chronicity of Hepatitis C
50-80%
Is there any vaccine discovered of Hepatitis A ?
Yes
Is there any vaccine discovered of Hepatitis B?
Yes
Is there any vaccine discovered of Hepatitis C ?
No
Under pipeline.
WHo goals 2016 for global hepatitis elimination by 2030
The 5 core strategies are-
- HBV vaccination
- Prevention of mother to child transmission fo HBV
- Injecton and blood safety
- Harm reduction
- Test and treatment of HBV and HCV.
A virus has
Spikes
Envelope but not for all virus
Capsomere
Nucleic acid
What is a Virus?
Is not cells they are DNA and RNA or may be few are proteins but they need cellular components help to replicate. It means they are taking over our cells and using to replication.