Overview
Generalities
| Generalities | |
| Agent | Virus: rubella, genus rubullovirus, family Togaviridae. |
| Incubation | 14-17 days (14-21 days). |
| Period of communicability | 7 days before rash and 4 days after rash onset. |
| Reservoir | Humans. |
| Modes of transmission | -Person-to-person: direct contact with droplets. -Infants with CRS shed large quantities of virus in their pharyngeal secretions and urine. |
| Clinical | -Febril maculo-papular rash. -Complication: thrombocytopenia (1/3000), post-infectious encephalitis (1/6000), rarely chronic arthritis, CRS if pregnant women. |
| Worldwide | Worldwide. |
| Lebanon | Outbreak in 2004. |
| Control objective | Control. |
| National figures | |
| Figure 1: Reported rubella cases, Lebanon, 1997-2012 (Source: MOPH) | |
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| International figures | |
| Figure 2: Reported rubella in the world, 2008-2012 (Source: WHO) | |
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