What should you know about the source of polio?

Poliovirus enters through the mouth and can multiply in the throat and intestine. An infected person may pass the virus in stool without looking ill, allowing it to reach hands, food, water, or shared surfaces. Close contact and respiratory droplets can also contribute, particularly early in infection. The virus does not arise from cold weather, a skin mark, or a vaccine side effect. Incomplete immunisation leaves more opportunity for transmission.

Wash hands with soap after using the toilet and after changing nappies, then before preparing food or eating. Clean contaminated bathroom surfaces and keep drinking water and food protected from sewage. If infection is suspected, contact a clinician and follow advice about testing and temporary precautions. Check every household member’s vaccination record; Childhood Immunisation explains the preventive route.

Seek emergency help if someone develops new muscle weakness, trouble breathing, difficulty swallowing, or loss of movement. Fever with a severe headache, stiff neck, confusion, or marked drowsiness deserves urgent assessment as well. Give the clinician details of travel, contact with illness, sanitation concerns, and vaccination history.

Ask how exposure is assessed, whether close contacts need advice, and which hygiene precautions should continue. Confirm whether anyone in the household needs a catch-up vaccine and how to recognise neurological symptoms early.