Luis Barreto, MBBS, MD, MHSc Christopher J. Rutty, Ph.D. Rob Van
Transcrição
Luis Barreto, MBBS, MD, MHSc Christopher J. Rutty, Ph.D. Rob Van
Aventis Pasteur Luis Barreto, MBBS, MD, MHSc Vice President Public Affairs and Director of International Public Health Affairs, Corporate Public Policy, Aventis Pasteur Christopher J. Rutty, Ph.D. Historical consultant, Health Heritage Research Services Rob Van Exan, Ph.D. Director Immunization Policy, Aventis Pasteur Limited Presented at the Canadian Conference on Counter-Terrorism & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur The History of Vaccine Development Man’s First Vaccine Chinese inoculator with 9Efficacy? his patient. 9Safety? Immunization against smallpox was 9Delivery? popularized in eleventh century 9Research Cost? China by the Buddhists who practiced immunization byCost? 9Development blowing powdered smallpox scabs into 9Manufacturing? the patients nose. L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur The History of Vaccine Development Smallpox in Canada Epidemics in Canada 9Introduced by French Settlers 1635 9Massive epidemics killed many settlers, but decimated native populations 1750 Biological Warfare 9British deliberately spread smallpox to natives by giving them infected blankets as “a token of good fortune” 3 Images: CBC-TV series Canada: A People s H istory L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur The History of Vaccine Development: Canada’s Role in Smallpox Eradication Smallpox Vaccine in Canada 9Smallpox vaccine introduced to Canada in late 1800’s 9Connaught Laboratories plays leadership role in development of Smallpox Vaccine 9Connaught Laboratories plays leadership role in WHO eradication of smallpox in 1980 9Smallpox declared bio-terrorist threat, 9/11/01 9Aventis Pasteur manufactures smallpox for Canada 2003 4 Image: Aventis Pasteur Limited; WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur The Best Smallpox Vaccine in the Galaxy… …Made in Canada! "Directly and indirectly, the ammunition for the the production of y our I have just completed [smallpox eradication] campaign bore the indelible order. I guess that you will shortly have on hand stamp —made in Canada . To a once-Canadian, it 10 million doses of the best smallpox was always a personal sourceabout of pride. vaccine ever made in our galaxy. Dr D. A. Henderson, Chief, WHO Smallpox Eradication Unit,to Dr. Robert J. Wilson, Connaught Laboratories Limited, June 18, 1979 Dr. Paul Fenje, Connaught Medical Research Laboratories, to Dr. Donald A. Henderson, Chief, WHO Smallpox Eradication Unit., Feb. 16, 1971 Dr. Paul Fenje Dr. Donald A. Henderson Images: Dr. P. Fenje; John s Hopkins School o f Public Health website L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 5 Aventis Pasteur 1916-21: Canada Gets Serious About Smallpox Vaccine 1916 1917 Connaught Antitoxin Laboratories 9“Connaught” buys cattle & equipment from Ontario Vaccine Farm in Palmerston 9Smallpox virus seed and bulk vaccine supplied to Connaught from New York City Health Department Laboratories 9Smallpox vaccine production begins with harvest of vaccinia pulp from Calf #1. 9First lot of vaccine released in Dec 1917. 1918 1919 1920 1921 9Connaught supplies more than 600,000 doses of vaccine to Canadian military by end of WWI Connaught s smallpox vaccine was produced in front left corner rooms of this building from 1917 to 1950. 9Connaught supplies 1 million doses of vaccine to control serious smallpox outbreaks in Ontario 6 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1921-32: Canadian Science Making the Best Smallpox Vaccine Possible Connaught Research 1920s – Scientific papers begin tradition of comprehensive research into smallpox vaccine improvement. 1924 - Effectiveness of Connaught’s smallpox vaccine dramatically demonstrated during serious smallpox outbreak in Windsor 1927-32 – Process improvements further reduce bacterial contamination of vaccine and improve potency and stability. 7 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1930-40s: “Elementary Bodies” and Freeze-Dried Smallpox Vaccine 1930s – Connaught scientist, Dr. James Craigie, conducts key research into isolating “elementary bodies” of vaccinia virus World War II - Persistent smallpox incidence in tropical countries underscored limits of liquid (glycerinated) vaccine 1948 - World Health Organization established and seeks dried smallpox vaccine to better control disease Elementary Bodies of Vaccinia Virus 1948 - Dr. L.H. Collier of the Lister Institute begins work on freeze-dried smallpox vaccine based work of Dr. Craigie and Dr. C.R. Amies at Lister, but who soon joined Connaught 8 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1958-62 – Forging a Freeze-Dried Smallpox Vaccine at Connaught Towards a Dried Vaccine 1957-58 - Major smallpox epidemic strikes Bangladesh, causing 100,000 cases. Red Cross and WHO seek emergency supplies of vaccine 1958 - Connaught quickly supplies 1.5 million doses of liquid vaccine. Emergency also prompts intense work to develop a freeze-dried smallpox vaccine 1958 - Dr. Cleve Russell Amies arrives at Connaught and leads dried smallpox vaccine development work Dr. Cleve Russell Amies 9 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1958-62 – Forging a Freeze-Dried Smallpox Vaccine at Connaught Dried Vaccine Progress 1960 - Amies prepares small batches of freeze-dried vaccine. 1960-61 - Larger batches of dried vaccine tested in several field trials, primarily with the Canadian Armed Services 1962 - Amies leaves Connaught 10 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur Dr. Paul Fenje: Connaught’s Vaccine Visionary 1915 - Born in Novi Sad, Yugoslavia 1940 - MD, University of Zagreb 1945-46 - District Medical Officer, Macedonia 1946-48 - Bacteriologist, Institute of Public Health, Novi Sad 1949 - Diploma in Public Health, Institute of Hygiene, Belgrade 1950-55 - Head, Public Health Laboratory, Sremska Mitrovica 1955 - Head, Dept. Medical Virology, Pasteur 1958 - Joined Connaught Medical Research Institute, Novi Sad Dr Fenje Connaught Dr. PaulatFenje Image: Aventis Pasteur Limited Laboratories, specializing in rabies vaccine 1958 - Joined Connaught Medical Research 1962 - Assumed responsibility for vaccine Connaught’s Laboratories, specializing in rabies smallpox vaccine development and production 1962 - Assumed responsibility for Connaught’s 1979 - Retired smallpox vaccine development and production 1979 Retired L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 11 Aventis Pasteur 1962 – Refreshing Freeze-Dried Smallpox Vaccine Development New Smallpox Vaccine Priorities 9New research priorities established for the further development of smallpox vaccines at Connaught under direction of Dr. Fenje. 9Top priority given to further development of a dried smallpox vaccine. 9Initial WHO eradication program stalled in 1955 after vaccine donated by the Soviet Union found to be contaminated with certain extraneous viruses. 9Connaught’s smallpox vaccines tested free of all known viruses. 12 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1962 – Refreshing Freeze-Dried Smallpox Vaccine Development The Drive for Eradication 9The WHO thus focused on developing new vaccine standards 9new epidemics in developing countries 9several alarming outbreaks in Europe 9cases imported from endemic areas. 13 Image: WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur August 1962 - Toronto Smallpox Alarm Connaught recommended that the Canadian The importance of global smallpox control government preparing a stockpile North Americanconsider vulnerability to smallpox exposed was reinforced of dried smallpox vaccine. Fears of Imported Smallpox 914 year-old boy returning home to Toronto from Brazil via New York developed smallpox en route 9international emergency declared. 9mass vaccination campaigns on both sides of the border rapidly deployed. Canada s last smallpox case Images: Toronto Star, Aug 20, 1962; Aventis Pasteur Limited 9Connaught supplied 150,000 doses of glycerinated vaccine during the emergency. 9Fortunately it was a mild case with no secondary spread. L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 14 Aventis Pasteur 1962-66 – Setting and Meeting Smallpox Vaccine Standards Global Standards for Smallpox Vaccine 1962 - Fenje intensifies dried vaccine development to meet new WHO standards 1963-64 - Routine production of freeze-dried vaccine established at Connaught 1964-65 Potency test becomes standard Aug 1964– -CAM Canadian licensing of Connaught’s freeze-dried smallpox vaccine Dec 1964 - Connaught’s freeze-dried smallpox vaccine meets WHO standards 1965 - U.S. agrees to sponsor a more sophisticated WHO global smallpox eradication program 15 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1962-66 – Setting and Meeting Smallpox Vaccine Standards Meeting Rising Global Standards for Smallpox Vaccine 1965-66 - Fenje further upgrades freeze-dried vaccine to meet stricter Canadian, WHO and U.S. standards 1966 - New building at Connaught enables large-scale freeze-dried smallpox vaccine production 16 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1967-68 – Energizing Smallpox Eradication 1966 1967 – Connaught: named one of two WHO International Smallpox Vaccine Reference Centers Connaught Toronto RIJKS Bilthoven 1967-68 – Drs. Paul Fenje and R.J. Wilson begin consulting work in South America to improve the quality of local smallpox vaccine producers, especially in Brazil. 17 Image: WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1967-68: Smallpox Vaccine for Jet Injector Jet Injector 9Fenje next worked to prepare a sterile dried vaccine for jet injection that met strict WHO standards. 9Jet injector speeds up mass immunization programs 18 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur Dr. Robert J. Wilson: Smallpox Vaccine Supervisor Dr Robert J. Wilson 1967 –- Born Consultant, Pan A merican Health Organization, 1915 in Edmonton improving local smallpox vaccine production in South America 1935-37 – Research Assistant, Connaught Medical Research Laboratories, Western Division, University of June – Director, Connaught Medical Research British 1972 Columbia Laboratories 1942 – MD, University of Toronto July 1972 – Scientific Director, Connaught 1942-45 – Royal Canadian Navy Laboratories Limited 1980 1946 – Retired Diploma of Public Health, School of Hygiene, University of Toronto March 30, 1989 – Died 1946 – Research A ssociate, Connaught Medical Research Laboratories, University of Toronto Dr. Robert J. Wilson (1915-89) 19 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur D.A. Henderson – R.J. Wilson – P. Fenje: Smallpox Eradication Engineers Dr D A Henderson "I appreciate only too well how many of the concepts in the execution of the smallpox program saw the first light of day over a glass of beer with Bob [Wilson] and Paul [Fenje]. What I don t recall is whether the ideas stemmed from Wilson or Fenje, so perhaps they are better attributed to Wilje (or should it be Fenson?). D.A. Henderson to P. Fenje, June 18, 1979 Dr Paul Fenje Dr R. J Wilson Image: Smallpox & its Eradication (WHO, 1980) L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 20 Aventis Pasteur 1970-74 – Using the “Best Smallpox Vaccine in this Galaxy” 1970-74 rts o p e ny r a n ee her 9Canadian government donates a total of t b a e r v ha e is e h r 35,000,000 doses of Connaught’s freezee k thin er th I hat h t t . e dried smallpox vaccine to the WHO s y t h x ew oub ala d g m s w g i e n th ve f i 9for the jet injector and regular edried askin a e h n n it. hI be cci f g a y o l u v t vaccine that could be administered with o d x n lpo alth ecte l rece p a g s x n m e a i the bifurcated needle. rm t is je h est s o a f n b r h e 1971 e , s w F p i 0 l 1 o h s t i it used ll d on vaccine i 9Connaught’s smallpox ugus "Pau w d w A l o , t e i w hAsia. plied e fi Africa erson oand hEast d t n n primarily in e k p m fro .A. H ly a s to r D u e o o t p i o anx if pr R . J . W i l s o n 21 Image: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1971-72 – Raising the Smallpox Stakes 1971 1967 April 1972 – Major smallpox outbreak in Bangladesh prompts emergency at and expedites delivery of 5 million doses of Connaught’s dried vaccine to be used with the bifurcated needle. Your vaccine, incidentally, is perfor ming magnificently both in the Congo and Ethiopia. The good packaging and ease of reconstitution have both been commented upon. Take rates in primaries have been in the range of 98% to 100%. D.A. Henderson to P. Fenje, Aug. 27, 1971 Images: WHO, Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 22 Aventis Pasteur 1972-74 – Securing a Canadian Smallpox Vaccine Stockpile March-April 1972 9serious smallpox outbreak in Yugoslavia 9caused by pilgrim returning from Mecca, 9resulted in 170 cases and 40 deaths 9prompts planning for smallpox vaccine emergency stockpiles: at the WHO in smallpox-free countries like Canada. March 1974 9Connaught prepares and holds 1,000,000 doses of freeze-dried smallpox vaccine as emergency stockpile for Canadian government Image: WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 23 Aventis Pasteur 1977-78 : Smallpox’s Last Stand August 1978 Oct. 26, 1977 9A major smallpox scare resulted when smallpox virus Last natural case in the world occurred in escaped in asmallpox British laboratory and infected a medical Somalia. photographer. 9Incident raised alarms around the world about the secure storage of the smallpox virus. 9It also highlighted the potential threat of an intentional release of the smallpox virus as a biological weapon. 24 Images: WHO; Toronto Star, Sept. 2, 1978 L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 1979 - Ensuring Eradication Preparing for New Stockpiles January 1979 - New Canadian smallpox vaccine stockpile needed February 1979 - WHO proposal for 25 million dose smallpox vaccine stockpile at Connaught for emergency use in Latin America. March-April 1979 - Fenje prepares 17 vaccinia pulps for proposed new vaccine stockpiles. September 1979 – Dr. Fenje retires from Connaught November 1979 - Smallpox vaccine distribution in Canada discontinued. Images: Dr. P. Fenje L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 25 Aventis Pasteur 1980 - Connaught Concludes Smallpox Vaccine Pr December 9, 1979 - WHO officially declares smallpox eradicated from the globe. s virJuly 1980ething d e e smallpox vaccine production by s e som e ep th v e a k h o t t h em migof bl1980 o e t.”smallpox r w c p u y t March Production freeze-dried d a a e o w r r s t hi Canadianlistockpile. e a g vaccine sed p Remaining n b n i t e t o c s n a for new e l l r l i t u w , 1980 a o 2 y d e 1 l r . n e t a r p a p e u ,S vaccine eproduction materials i–m15 seed virus “It s come itedpulps, o pre t o t l L e b s e a i m be samples -- put ator freeze e ti in toand bordeep a s L a t o h s g for som on onnau k c C a , r b o t l c l l Dire to fa pulp of February 1980 - Connaught plans phase-out d n a s u Dr. E.W n, Me . Pearso dica August 1980 - Suggestion made that Connaught’s remaining 15 vaccinia pulps be destroyed. Not everyone agrees… 26 Image: WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur Through the Cold War to the War on Terrorism Only two official freezers contain the last smallpox virus samples (in the U.S. and Russia) 27 Image (Book cover): Richard Preston, The Demon in the Freezer (2002) L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 2001-2003 – “9/11” and Renewing Smallpox Security Sept. 11, 2001 - Twenty-two years after smallpox was officially declared eradicated from the Earth….. …..the spectre of smallpox has re-emerged from history as a potentially devastating bio-terrorist weapon. 2002-2003 - Uncertainties about the potential use of smallpox virus as a terrorist weapon prompted efforts in many countries to prepare new supplies of smallpox vaccine, including in Canada. 28 Image: Toronto Sun, Nov 4, 2001 L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur 2002-03 - Stockpile From the Freezer 2002 - 15 vaccinia pulps and other smallpox vaccine materials, originally prepared in 1979, retrieved from the deep freeze at Aventis Pasteur’s Connaught Campus in Toronto. After passing rigorous tests, these vaccinia pulps now being processed into 15 million doses of smallpox vaccine for a new Canadian stockpile. 29 Images: Aventis Pasteur Limited L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur Smallpox Vaccine in Canada: Legacies & Lessons Aventis Pasteur Lyon Toronto Connaught – Aventis Pasteur Aventis Pasteur Global Supply 9Long history of experience 2003 with the development and production of effective smallpox 9 Canada vaccines. Played key role in the eradication of 9US smallpox. 9France 9Preserved smallpox vaccine production capabilities. Swiftwater 30 Image: WHO L. Barreto, Canada & the Smallpox Vaccine Story, 1916-2003, Canad ian Conference on Counter-Terrorism, & Public Health, Toronto, Oct 30, 2003 Aventis Pasteur Vaccine industry is global • National plans-national coordination-national authority • Integration with global or continental planning Industry – government collaboration • Planning • Investment • Prioritization Vaccine stockpiles 31 Aventis Pasteur Acknowledgements Palma Mancuso and her Smallpox Team Aventis Pasteur Health Canada ¥ Dr. Ron St. John ¥ Mr. Scott Broughton 32