smallpox eradication

On National Vaccination Day, here's how an old oil painting depicting three queens, who were part of the British Raj’s awareness campaign for the smallpox vaccine in India, is still making ripples today.

The WHO initially rejected their applications, stating that rural India would be too much of a culture shock for two American women. But, Mary Guinan and Cornelia E Davis stood firm and toiled on-ground to eventually help make India smallpox-free.