What should you know about vaccine associated paralytic polio?

Polio is caused by poliovirus and can affect the nervous system. The term vaccine-associated paralytic polio describes an extremely uncommon event associated with certain live oral vaccine formulations, rather than the expected response to routine vaccination.

Polio vaccines are designed to prevent infection and community spread. Health authorities may use different formulations according to age, health status and outbreak conditions. A clinician can explain which product is offered locally.

Keep the child’s immunisation record available and ask which polio vaccine is being offered. Discuss immune-system conditions, medicines that affect immunity, previous reactions and travel or outbreak concerns before a dose.

[Childhood Immunisation](/treatments/preventive-care-and-vaccination/childhood-immunisation/) can help you understand scheduled and catch-up appointments. Do not skip or delay a dose based on an internet term without speaking with the healthcare professional giving the vaccine.

Seek emergency care for new weakness, loss of movement, trouble breathing or swallowing, or rapidly worsening neurological symptoms after any illness or vaccination. These symptoms have many possible causes and need examination.

For expected post-vaccination discomfort, contact the clinic if symptoms are severe, persistent or worrying. Bring the vaccine name and timing if you have them.

Ask which polio vaccine is recommended, why that formulation fits the child, whether any immune condition changes the plan, which symptoms need urgent review, and how missed doses can be caught up.