All I have is my past, but as I have been in counseling (up until two years ago, when it became physically impossible to do so.) to overcome my past-I endured three life threatening health diagnoses-polio, Hepatitis C, and breast cancer-as well as three abusive men-my first husband beat me unmercifully.

FORBES: Move up http://i.forbesimg.com t Move down

Dr Jacob Puliyel, a paediatrician in Delhi, wrote in the Indian Journal of Medical Ethics last year that "the polio eradication programme epitomises nearly everything that is wrong with donor-funded 'disease specific' vertical projects, at the cost of investments in community-oriented primary care".

BBC: Bill Gates: The world can defeat polio

These vaccines resemble those used against smallpox or polio in that they use a piece of the target -- there a virus, here a cancer cell -- to boost the immune systems ability to find and attack those targets.

FORBES: In search of antigens

Polio primarily spreads from person to person -- through coughing and sneezing -- or through fecal contamination.

CNN: Why polio hasn't gone away yet

The oral polio vaccine can - in very rare cases - trigger polio.

BBC: Bill Gates: The world can defeat polio

India has been polio-free for two years - a remarkable achievement.

BBC: Bill Gates: The world can defeat polio