Overview
| Generalities | |
| Agent | Virus : Hepatitis A virus HAV. |
| Incubation | 28-30 days (15-50 days). |
| Period of communicability | During the second half of the incubation period, and up to one week after jaundice onset. |
| Reservoir | Humans, rarely chimpanzees and other primates. |
| Modes of transmission | -Person-to-person transmission: fecal oral route. -Ingestion of contaminated food: by food handler or by harvested from contaminated water (shellfish or salad vegetables) -Ingestion of contaminated water or drinks -Recipients of factor VIII or factor IX concentrates. |
| Clinical | -Febrile jaundice. -Asymptomatic in childhood. -Case fatality: 0.1-0.3 % (1.8% for >50 years) secondary to fulminant acute hepatitis. |
| Worldwide | -Worldwide, related to hygienic and sanitary conditions. -High endemicity: childhood infection, no outbreaks. -Middle endemicity: outbreaks among adults. -Low endemicity: cases among households, sexual contacts, day care centers… |
| Lebanon | Endemic with middle endemicity profile. |
| Control objective | Control. |
| National figures | |
| Figure 1: | |
.png) |
|
| International figures (source: WHO. The Global prevalence of hepatitis A virus infection and susceptibility: a systematic review. WHO/IVB/10.01 2010) | |
| Table 1: | |
.png) |
|
Download the new version of the MOPH app
for the latest updates on Coronavirus.
The new version of the MOPH APP will provide you with all the reliable information on COVID-19 with ongoing update of the confirmed cases and data. If you are showing any symptoms, the “Symptoms Checker” will be your self-help guide to assess them.
