So the main reason that vaccines seem to fall down the wrong side of the fence when it comes to deciding if they are "natural" may simply be about needles.

BBC: 'The natural benefits of vaccines'

To add insult to injury, those who are the wrong side of the political fence get investigated extremely quickly and vigourously on very little evidence, whilst those who are government-friendly are largely ignored or at best investigated at such a slow rate that one would probably need to be re-incarnated several times to observe discernible results.

FORBES: The Malaysian Third Way: A Public-Private Partnership