Overview
The sister of the last known polio patient in the US to use the life-saving machine spoke to the BBC about her sister's life.
Source
Originally published at www.bbc.co.uk.
The sister of the last known polio patient in the US to use the life-saving machine spoke to the BBC about her sister's life.
The sister of the last known polio patient in the US to use the life-saving machine spoke to the BBC about her sister's life.
Originally published at www.bbc.co.uk.