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As the World is about to celebrate the 50th anniversary of the Expanded Programme on Immunization, we must remember and pay tribute to one of its most important actors, our mentor and friend, John Seton Lloyd, who just passed away.
John was the architect of the vaccine cold chain.
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In 1976, he started working at the World Health Organization and designed with Ghana Health authorities, the first developing country vaccine cold chain. A model then reproduced by all countries in the World.
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John convinced several companies to design and manufacturer equipment needed by the EPI: Cold boxes, vaccines carriers, multi-energy refrigerators, ice lined refrigerators solar powered refrigerators, auto disable syringes. All this equipment designed with his inputs was then produced and sold in massive quantities by firms that have probably made fortunes. John never thought of his personal interest. All the equipment that is now used in immunization programmes is formally prequalified...
MoreAs the World is about to celebrate the 50th anniversary of the Expanded Programme on Immunization, we must remember and pay tribute to one of its most important actors, our mentor and friend, John Seton Lloyd, who just passed away.
John was the architect of the vaccine cold chain.
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In 1976, he started working at the World Health Organization and designed with Ghana Health authorities, the first developing country vaccine cold chain. A model then reproduced by all countries in the World.
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John convinced several companies to design and manufacturer equipment needed by the EPI: Cold boxes, vaccines carriers, multi-energy refrigerators, ice lined refrigerators solar powered refrigerators, auto disable syringes. All this equipment designed with his inputs was then produced and sold in massive quantities by firms that have probably made fortunes. John never thought of his personal interest. All the equipment that is now used in immunization programmes is formally prequalified by World Health Organization through a procedure that John also conceived.
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John Lloyd was a critical contributor to the design and now widespread use of the Vaccine Vial Monitors a heat sensitive label that is affixed on all vaccines procured by UNICEF and and warns the health worker wether a vaccine vial has been exposed to an amount of heat likely to have degraded it.
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John Lloyd launched Technet which then became Technet-21.
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John Lloyd played a critical role in the Kick Polio out of Africa initiative launched in the mid 1990's at the time of the Football African Cup of Nations.
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John designed the Immunization Systems Strengthening performance based reward scheme of Gavi, the Vaccine Alliance as well as many of the first tools for countries to apply for support. He was also an instrumental part in the design of a tool called the DataQualityAudit which enabled GAVI to verify the reports issued by countries.
Without John’s tireless focus on Cold chain and logistics, the backbone of immunization programmes, vaccines would never have be delivered in the right quantities, at the right time, in the right conditions to safely immunize hundreds of millions of children that have been protected from killer diseases since John Lloyd started to work in this field in 1976.
John Lloyd is one of these unsung Heroes of Public Health who was never in the news. He has remained discrete, silent and humble and never stopped being innovative, creative and committed.
Global Public Health and Immunization have lost a mentor and a friend.
I personnally owe to John to have brought me into WHO and the extraordinary world of EPI and Logistics. I simply owe him my whole carreer.
My thoughts are with Anne, his spouse and Cressie and Zoe his daughters, his grand children and their families.
Thank you John and Goodbye 👋
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19 April 2024, Vol. 99, No. 16, pp. 185–192 Now online IN THIS ISSUE 185 Summary report of the 24th and 25th meetings of the WHO Advisory Committee on Variola Virus Research 19 avril 2024, Vol. 99, No. 16, pp. 185-192 Maintenant en ligne DANS CE NUMÉRO 179 Groupe consultatif stratég...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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19 April 2024, Vol. 99, No. 16, pp. 185–192 Now online IN THIS ISSUE 185 Summary report of the 24th and 25th meetings of the WHO Advisory Committee on Variola Virus Research 19 avril 2024, Vol. 99, No. 16, pp. 185-192 Maintenant en ligne DANS CE NUMÉRO 179 Groupe consultatif stratég...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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12 April 2024, Vol. 99, No. 15, pp. 179–184 Now online IN THIS ISSUE 179 Strategic and Technical Advisory Group on Infectious Hazards with Pandemic and Epidemic Potential: annual meeting, “New vulnerabilities” 12 avril 2024, Vol. 99, No. 15, pp. 179-184 Maintenant en ligne DANS CE N...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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5 April 2024, Vol. 99, No. 14, pp. 163–178 Now online IN THIS ISSUE 163 WHO’s Health Emergencies Programme: acute emergencies monthly summary – January and February 2024 168 Surveillance to track progress towards poliomyelitis eradication – worldwide, 2022–2023 5 avril 2024, Vol. 99...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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29 March 2024, Vol. 99, No. 13, pp. 147–162 Now online IN THIS ISSUE 147 Genetic and antigenic characteristics of zoonotic influenza A viruses and development of candidate vaccine viruses for pandemic preparedness 29 mars 2024, Vol. 99, No. 13, pp. 147-162 Maintenant en ligne DANS CE NUMÉ...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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29 March 2024, Vol. 99, No. 13, pp. 147–162 Now online IN THIS ISSUE 147 Genetic and antigenic characteristics of zoonotic influenza A viruses and development of candidate vaccine viruses for pandemic preparedness 29 mars 2024, Vol. 99, No. 13, pp. 147-162 Maintenant en ligne DANS CE NUMÉ...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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Olamide Folorunso reacted to this post about 1 month agoHi all, please see this recent forum post where Laos MOH and UNICEF shared their EVM Report and cIP: https://www.technet-21.org/en/community/discussions/evm-assessment-report-lao-pdr If you know of other countries that wish to share their EVM ...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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22 March 2024, Vol. 99, No. 12, pp. 135–146 Now online IN THIS ISSUE 135 Recommended composition of influenza virus vaccines for use in the 2024–2025 northern hemisphere influenza season 22 mars 2024, Vol. 99, No. 12, pp. 135-146 Maintenant en ligne DANS CE NUMÉRO 135 Composition recomman...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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11 March 2024, Vol. 99, No. 11, pp. 115–134 Now online IN THIS ISSUE 115 Mumps vaccines 11 mars 2024, Vol. 99, No. 11, pp. 115-134 Maintenant en ligne DANS CE NUMÉRO 115 Vaccins antiourliens Download DownloadTélécharger Télécharger © WHO. All rights reserved. World Hea...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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8 March 2024, Vol. 99, No. 10, pp. 105–114 Now online IN THIS ISSUE 105 Progress towards elimination of rubella and congenital rubella syndrome – worldwide, 2012–2022 8 mars 2024, Vol. 99, No. 10, pp. 105-114 Maintenant en ligne DANS CE NUMÉRO 105 Progrès vers l’élimination de la ru...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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8 March 2024, Vol. 99, No. 10, pp. 105–114 Now online IN THIS ISSUE 105 Progress towards elimination of rubella and congenital rubella syndrome – worldwide, 2012–2022 8 mars 2024, Vol. 99, No. 10, pp. 105-114 Maintenant en ligne DANS CE NUMÉRO 105 Progrès vers l’élimination de la ru...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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8 March 2024, Vol. 99, No. 10, pp. 105–114 Now online IN THIS ISSUE 105 Progress towards elimination of rubella and congenital rubella syndrome – worldwide, 2012–2022 8 mars 2024, Vol. 99, No. 10, pp. 105-114 Maintenant en ligne DANS CE NUMÉRO 105 Progrès vers l’élimination de la ru...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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8 March 2024, Vol. 99, No. 10, pp. 105–114 Now online IN THIS ISSUE 105 Progress towards elimination of rubella and congenital rubella syndrome – worldwide, 2012–2022 8 mars 2024, Vol. 99, No. 10, pp. 105-114 Maintenant en ligne DANS CE NUMÉRO 105 Progrès vers l’élimination de la ru...Post is under moderationStream item published successfully. Item will now be visible on your stream.
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Hi colleagues, I am looking to copile a photo album of cold chain equipment in use from the launch of EPI in 1974 until the the birth of WHO PQS in 2007. If you have any good examples of early vaccine refrigerators and freezers (or domestics), cold boxes, vaccine carriers, and temperature monitoring devices, please share! And if you could give some explanatory information (year, country, model, etc.) that would be even better :-) Many thanks.
PS If you are interested, the following two articles by John Lloyd give a fascinating insight into the early days in the evolution of the vaccine supply chain.
https://iris.who.int/handle/10665/52460
https://iris.who.int/handle/10665/275027
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