Mode of transmission |
Faecal‐oral (most common) and less commonly by respiratory droplets |
Person to person through respiratory droplets, airborne |
Incubation period |
3–6 days for onset of infection and 7–21 days for developments of paralysis |
Somewhere between 2 and 14 days after exposure |
Clinical presentation |
Mostly asymptomatic, some may have non‐specific symptoms like fever, sore‐throat, malaise |
Typically presents with shortness of breath, cough, fatigue, fever; sometimes asymptomatic |
Risk groups |
Children <5 years, unvaccinated individuals, immunocompromised patients, pregnant women |
Older people, immunocompromised individuals, patients with underlying medical problems like cardiovascular disease, diabetes, chronic respiratory disease, and cancer |
Diagnosis |
Culture via throat secretions, stool specimen, CSF |
RT‐PCR |
Treatment |
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Prevention |
Inactivated (killed) polio vaccine (IPV), live attenuated (weakened) oral polio vaccine (OPV) |
Nucleic acid vaccines (Moderna and Pfizer/BioNTech COVID‐19 vaccines), viral vector vaccines (Oxford/AstraZeneca, Janssen, CanSino) |