Friday 20 April 2018

Man who led fight to eradicate smallpox dies aged 87

Smallpox was declared eradicated in 1980
Smallpox was declared eradicated in 1980

The American epidemiologist whose leadership resulted in the eradication of smallpox, one of the world's most feared contagious diseases, has died aged 87.

Dr Donald "DA" Henderson died on Friday at a hospice care facility in Towson, Maryland, from complications following a hip fracture, Johns Hopkins University said.

Dr Henderson was a former dean of the institution's Bloomberg School of Public Health.

He was most recently employed as a distinguished scholar at the University of Pittsburgh Medical Centre's centre for health security in Baltimore.

Centre director Tom Inglesby said: "DA Henderson truly changed the world for the better."

Dr Henderson was working on smallpox eradication at the U S Centres for Disease Control and Prevention in 1966 when the World Health Organisation (WHO) chose him to lead the global eradication effort.

In a 1988 interview with the WHO Bulletin, Dr Henderson said he accepted the challenge reluctantly, knowing that he and the United States would be blamed if the project failed.

The battle was essentially won during a 10-year period, 1967-77, by medical workers using a surveillance-and-containment strategy rather than the mass-vaccination approach used in the past.

Much like the Ebola containment strategy recently employed in West Africa, the smallpox project focused on cases and outbreaks, progressively eliminating the disease from where it still existed in South America, West and Central Africa, Asia and finally East Africa.

The last naturally occurring case of smallpox was diagnosed in Somalia in 1977. The World Health Assembly declared the deadly disease eradicated in 1980.

Former CDC director Dr William Foege, 80, who was among the first to apply the surveillance-containment strategy, remembered Dr Henderson as having the vision to plan a campaign he knew would take a decade.

Dr Foege said: "One of his characteristics was absolute certainty about things, and people like to follow someone that is certain about what they're doing."

Michael Klag, dean of the Bloomberg school at Johns Hopkins, described Dr Henderson in the school's statement as "a force of nature who, until recently, seemed invulnerable".

CDC Director Tom Frieden said in an email that Dr Henderson played an instrumental role in smallpox eradication.

"His impressive career contributed to saving millions of lives, and will continue to save lives for generations to come," he wrote.

Dr Henderson was born September 7 1928, in Lakewood, Ohio. He is survived by his wife, Nana, his daughter Leigh and his sons Douglas and David.


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