Polio: Symptoms, Treatment & Vaccine Guide

← Diseases beginning with P
Routine vaccine

Polio

A contagious viral disease that can invade the nervous system.

SymptomsMost have no symptoms; some develop fever, fatigue, nausea, headache, stiff neck, or limb pain. Paralysis can occur.
Typical durationMinor illness lasts days; weakness or paralysis may be permanent, and post-polio syndrome can appear decades later.
Vaccine statusRoutine vaccine

Symptoms and what to notice

Most have no symptoms; some develop fever, fatigue, nausea, headache, stiff neck, or limb pain. Paralysis can occur.

How long can it last?

Minor illness lasts days; weakness or paralysis may be permanent, and post-polio syndrome can appear decades later.

How serious is Polio?

Paralytic polio can cause permanent disability or death when breathing muscles are affected.

Treatment and management

No cure; treatment is supportive and may include respiratory support and rehabilitation.

Is there a vaccine—and who should receive it?

U.S. children routinely receive four IPV doses at 2 months, 4 months, 6–18 months, and 4–6 years. Adults at increased risk may need vaccination or a booster.

Official U.S. guidance

Read the current CDC guidance for Polio →

Cost: Patient cost varies by insurance, provider, location, and eligibility. Many recommended vaccines are covered with no out-of-pocket cost under qualifying plans, and eligible children may receive vaccines through the Vaccines for Children program. CDC price lists are purchasing benchmarks—not guaranteed patient prices. CDC price context.

Health note: This page gives general U.S. educational information. Vaccine choice and timing depend on age, medical history, previous doses, pregnancy, travel, exposure, and current public-health guidance. Seek urgent care for severe or rapidly worsening symptoms.