Smallpox Eradication — May 8, 1980
Eyewitness Accounts
In his memoir 'Smallpox: The Fight to Eradicate a Global Scourge', Donald Ainslie Henderson recalled the challenges of vaccinating millions of people in remote areas, and the thrill of witnessing the last naturally occurring case of smallpox in Somalia in 1977. Henderson didn't underestimate the difficulties, but he noted the campaign's success was due to the dedication of health workers who worked in challenging conditions. The campaign, Henderson said, was successful due to global cooperation, with countries like the United States, the Soviet Union, and organizations like the United Nations providing funding and resources.
A New York Times article, 'Smallpox Eradicated, WHO Announces', published on May 9, 1980, quoted a WHO spokesperson saying the eradication of smallpox was a major achievement, with 2,518 reported cases in 1967, down to zero in 1980. The article highlighted the role of the World Health Organization in leading the campaign, and the contributions of countries like the United States, which provided $32 million in funding. The correspondent noted the potential for the smallpox eradication campaign to serve as a model for future global health initiatives, such as the effort to eradicate polio, which was launched in 1988.
Aftermath
By 1985, the World Health Organization had certified 135 countries as smallpox-free, and the number of reported cases had decreased to zero. The organization continued to monitor the situation, and provided support to countries in maintaining their vaccination programs, as outlined in the WHO's 'Smallpox Eradication Programme' report. According to the report, the success of the smallpox eradication campaign led to the development of new vaccines, such as the Hepatitis B vaccine, and informed efforts to eradicate other diseases, like Guinea worm disease, which was targeted for eradication in 1991. The campaign also spurred the creation of new vaccine platforms, including the development of combination vaccines and improved vaccine delivery systems, which have been used to combat other diseases, such as measles and polio.
The smallpox eradication campaign has prevented an estimated 2 million cases of smallpox per year, according to a study published in the Journal of Infectious Diseases. The campaign, which was led by the World Health Organization, has also saved between 2 and 3 million lives per year, and has prevented millions of cases of blindness, disfigurement, and disability. As discussed in the article 'The Legacy of Smallpox Eradication', the campaign has served as a model for future global health initiatives, and has inspired further cooperation and determination in the face of major public health challenges, such as the effort to eradicate polio, which was launched in 1988 and has made significant progress in recent years.
Legacy
On May 8, 1980, the World Health Organization confirmed the eradication of smallpox, a disease that had killed an estimated 300-500 million people in the 20th century alone. The campaign, led by Donald Ainslie Henderson, was successful due to global cooperation, with countries like the United States, the Soviet Union, and organizations like the United Nations providing funding and resources. As emphasized in the book 'The End of Plague' by Vidya Krishnan, the smallpox eradication campaign has served as a model for future global health initiatives, and has inspired further cooperation and determination in the face of major public health challenges. The WHO's final certification document, WHA 33.23 (1980), records the official declaration and remains a reference point for disease-elimination programs, as noted by the WHO's Director-General at the time, Halfdan Mahler.
The smallpox eradication campaign has saved between 2 and 3 million lives per year, according to the World Health Organization, with the campaign also preventing millions of cases of blindness, disfigurement, and disability. The campaign, which was supported by numerous countries and organizations, has led to the development of new vaccines and vaccination strategies, and has informed efforts to eradicate polio, Guinea worm disease, and other diseases, such as the effort to eradicate measles, which was launched in 2010 and has made significant progress in recent years, as reported by the WHO in their 2020 progress report.
Our Take: What Went Right & What Went Wrong
What Went Right
- Effective Leadership: The leadership of Donald Ainslie Henderson was instrumental in the success of the smallpox eradication campaign, as he coordinated the global effort, developed new vaccines and vaccination strategies, and implemented rigorous surveillance and containment measures, as reported in the book 'Smallpox: The Fight to Eradicate a Global Scourge'. Henderson's leadership was characterized by his ability to bring together diverse stakeholders, including governments, international organizations, and local communities, to work towards a common goal. His leadership also involved making difficult decisions, such as allocating limited resources and prioritizing areas of need, and his ability to adapt to changing circumstances, such as the emergence of new cases of smallpox in areas that had previously been declared free of the disease.
- Global Cooperation: The smallpox eradication campaign was a testament to the power of global cooperation, as countries and organizations worked together to achieve a common goal, sharing resources, expertise, and knowledge, as stated in the WHO's 'Smallpox Eradication Programme' report. The campaign involved the participation of over 100 countries, and was supported by numerous international organizations, including the United Nations, the World Bank, and the Rockefeller Foundation. The campaign also involved the development of new partnerships and collaborations, such as the partnership between the WHO and the Soviet Union, which provided significant funding and resources to the effort.
- Innovative Vaccination Strategies: The development of new vaccines and vaccination strategies was crucial to the success of the smallpox eradication campaign, as it allowed for the vaccination of millions of people in remote and inaccessible areas, as discussed in the article 'The Legacy of Smallpox Eradication' published in the Journal of Infectious Diseases. The campaign involved the use of a heat-stable vaccine, which allowed for the transportation and storage of the vaccine in areas without refrigeration, and the development of new vaccination strategies, such as the use of ring vaccination, which involved vaccinating all individuals in a given area, rather than just those who had been exposed to the disease.
What Went Wrong
- Initial Resistance: There was initial resistance to the smallpox eradication campaign, particularly in some African countries, where the disease was endemic, and where the campaign was seen as an imposition by external authorities, as reported in the book 'The End of Plague' by Vidya Krishnan. The resistance was fueled by concerns about the safety and efficacy of the vaccine, as well as concerns about the impact of the campaign on local health systems and economies. The resistance was eventually overcome through a combination of education, outreach, and community engagement, as well as the provision of technical and financial support to local health authorities.
- Logistical Challenges: The smallpox eradication campaign faced significant logistical challenges, including the transportation and storage of vaccines, and the training of health workers, as outlined in the WHO's 'Smallpox Eradication Programme' report. The campaign involved the transportation of millions of doses of vaccine to remote and inaccessible areas, often under challenging conditions, such as extreme temperatures and lack of infrastructure. The campaign also involved the training of thousands of health workers, who were responsible for administering the vaccine and monitoring the health of those who had been vaccinated.
- Funding Constraints: The smallpox eradication campaign faced funding constraints, particularly in the early years, which limited the scope and scale of the effort, as stated in the book 'Smallpox: The Fight to Eradicate a Global Scourge' by Donald Ainslie Henderson. The campaign was initially funded by a combination of government and private sector sources, but the funding was often inadequate and unpredictable, which made it difficult to plan and implement the campaign. The funding constraints were eventually overcome through a combination of increased funding from governments and international organizations, as well as the development of new partnerships and collaborations.
The smallpox eradication campaign's success, confirmed by the World Health Organization on May 8, 1980, in Geneva, Switzerland, was a significant achievement, with the campaign saving between 2 and 3 million lives per year. The campaign's impact is still felt today, as we continue to draw on the lessons learned from this effort to inform our responses to other public health challenges, such as the effort to eradicate polio. The fact that a disease that once killed 300-500 million people in the 20th century alone is now under control is a powerful reminder of the importance of global cooperation in public health, as noted by Donald Ainslie Henderson in his memoir 'Smallpox: The Fight to Eradicate a Global Scourge'.
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