| http://www.w3.org/ns/prov#value | - It is what it is, and if you remember the annual summer fears of polio epidemics back then, and had friends (children and adults) who ended up dead or crippled in leg or body braces or 'iron lungs', then you will remember that the vaccine was a blessing -- and in those days there was little to no understanding of cancer's link to viruses, and indeed it is still being figured out.
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