Child health · UKMLA & AKT
Hepatitis A
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise hepatitis a — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Most common cause of acute viral hepatitis worldwide - faecal-oral transmission
- Does NOT cause chronic liver disease, no carrier state, confers lifelong immunity after infection
- Incubation period ~4-5 weeks; viral shedding greatest in prodromal phase (before jaundice) - peak infectivity
- Children <5 years: 80-95% asymptomatic but infectious; adults: symptomatic in majority, severity increases with age
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