Generalities on Poliovirus | |
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Agent | Virus: poliovirus (genus enterovirus), with 3 serotypes: 1, 2 and 3 |
Incubation period | 7-14 days (3-35 days) |
Period of transmissibility | 7-10 days before onset, up to 3-6 weeks after onset |
Reservoir | Humans |
Modes of transmission | -Person-to-person: faecal-oral route, and rarely pharyngeal -Rarely through water and food |
Clinical presentation | -90-95% asymptomatic infection -4-8% mild illness (influenza-like illness or gastro-intestinal illness) -1-2% aseptic meningitis -<1% paralytic poliomyeltis |
Resources | |
Case definition | - MOPH circular no 34 (2012) - MOPH circular no 76 (2006) |
Forms | - General reporting form - Specific reporting form - Investigation form: data collection - Investigation form: additional data - Investigation form: specimen collection - Investigation form: Rapid OPV3/IPV3 coverage survey - Investigation form: Follow up at day 60 - Investigation form: Final classification |
Guidelines | Acute Flaccid Paralysis surveillance guideline: Ar, En, Fr |
Data | - AFP surveillance bulletin |