Overview
Generalities
| Generalities | |
| Agent | Virus: mumps virus, genus rubulavirus, family paramyxoviridae. |
| Incubation | 17 days (14-25 days) |
| Period of communicability | -Virus present in saliva 7 days prior and 9 days after parotiditis onset. -Virus present in urine 6 days prior and 15 days after onset. -Max 2 days prior and 4 days after onset. |
| Reservoir | Humans. |
| Modes of transmission | Person to person transmission: droplet and can be airborne. |
| Clinical | -Parotiditis most common manifestation (30-40%). -Asymptomatic in 20%. -Complications: orchitis, oophoritis, sensoneuronal loss, hearing loss, pancreatitis (4%), aseptic meningitis/encephalitis. Rarely nephritis, arthropathy, cardiac abnormalities, death. |
| Worldwide | Worldwide.Usually no outbreaks |
| Lebanon | Annual average of reported cases 73 (14-233) |
| Control objective | Control |
| National figures | |
| Figure 1: Reported cases of mumps, Lebanon, 1997-2012 (Source: MOPH) | |
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| International figures | |
| Figure 2: Reported mumps cases, worldwide, 2008-2012 (Source: WHO) | |
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