Cold chain (transport & storage) & disposal volumes, current status & future trends in cold chain? Primary container size roundtable Washington, 09 - 10 May 2012 S. Kone, WHO/IVB Major Impact on the Immunization systems • Storage & transport: – Increasing volume of vaccines delivering more vaccines Trend of # doses delivered per child • Work force: – Increasing workload for handling & delivering more vaccines • Injection safety: – Increasing risk of programmatic errors in handling more vaccines • Waste management: – Increasing pressure on the environment from more injection waste 0 # injections 2 4 6 # doses 8 10 12 14 16 18 20 – Secondary packaging (primary container per box) – Packed volume (cm3/dose) – Packed with or without diluents (if any) • Price ($/dose) Price Presentation • Formulation (liquid or lyophilized, mono/multi components) • Preservative (Yes/No) • No. of doses required per target (contacts) • Mode of administration (oral/injection/nasal) • Storage conditions (temperature ranges, VVM) • Presentation (prefilled, single/multi-dose vials) • Packaging Formulation Vaccine characteristics Implications on operations Administration Cold chaîn Dry storage Waste Mode administration: – Oral Vaccine: low low -- – Injectable Vaccines: high high high high – Liquid Vaccines: low high moderate moderate – Recons. Vaccines: high low high high – Pre-filled device: low high low low – Single dose vials: high high high high -- Formulations: Presentations: – Multi-dose vials: moderate moderate moderate moderate NVI schedule & increasing disparities… DTP-HepB-Hib (liquid) • Type of VVM: all with VVM14 • MDVP: Keep & use for subsequent sessions • Presentations: – – – – – 1-dose vial in boxes of 50: 10.28cm3/dose 1-dose vial in boxes of 50: 13.14cm3/dose 1-dose vial in boxes of 50: 26.1cm3/dose 2-dose vial in boxes of 50: 13.1cm3/dose 10-dose vial in boxes of 50: 2.6cm3/dose • • • • DTP-HepB+Hib (liquid+lyo) Type of VVM: all with VVM14 MDVP: Keep cool & use/discard @ 6h?! Presentations: – – – – – 1-dose vial in boxes of 200: 39.2cm3/dose 1-dose vial in boxes of 216: 58.7cm3/dose 2-dose vial in boxes of 200: 19.6cm3/dose 10-dose vial in boxes of 144: 7.8cm3/dose 10-dose vial in boxes of 150: 5.1cm3/dose Cold/dry storage & transport - measurement Volume of waste generated - measurement Schedule 10-dose penta • • 2.2 empty vials 8,8 seringues usagers Schedule 1-dose penta • • 4.9 empty vials 127% increase vs 10-d Schedule CAD penta • • 1.8 empty vials 18% decrease vs 10-d DRC cc analysis, EPI review 2012 Increased capacity & workload: • • Form 6 WICR to 19 WICR Same logistics team DRC cc analysis, EPI review 2012 Schedule 10-dose penta • • • Schedule 1-dose penta • • • 20 WICR No addition cc required for PCV expansion Rota can be introduced w/o additional cc expansion 65 WICR Ongoing cc expansion for PCV Rota !? Schedule CAD penta • • • 49 WICR Cc adequate for PCV Moderate cc for rota DRC cc analysis, EPI review 2012 Increased No. of batches • • • > 220 batches for 7 vaccines Penta 1-dose - 63 WICR PCV-13 1-dose – 53 batches Source: WHO/IVB, Apr. 2010 (based on Chad data) Volume-DTC-HepB-Hib Volume-DTC New vaccine introduction resulted in a 5-fold increase of the workload at central level! 2010-03-01 2010-02-01 2010-01-01 2009-12-01 2009-11-01 2009-10-01 2009-09-01 2009-08-01 2009-07-01 2009-06-01 2009-05-01 2009-04-01 2009-03-01 2009-02-01 2009-01-01 2008-12-01 2008-11-01 DPT: 2 shipments per year (2,500 litres per shipment) 2008-10-01 9,000 2008-09-01 10,000 2008-08-01 2008-07-01 2008-06-01 2008-05-01 2008-04-01 2008-03-01 2008-02-01 2008-01-01 2007-12-01 2007-11-01 2007-10-01 2007-09-01 2007-08-01 2007-07-01 2007-06-01 2007-05-01 7,000 2007-04-01 8,000 2007-03-01 2007-02-01 2007-01-01 Volume vaccin, litres Increased workload… EPI Chad, 2010 11,000 Evolution volume DTC & Penta Penta: 4 shipments per year (6,000 litres per shipment) 6,000 5,000 4,000 3,000 2,000 1,000 - 500 450 400 350 first generation new vaccines presented challenging formats: • PCV-7 in preffilled glass syringe • Rota lyo complex & bulky Upstream efforts initiated (VPPAG, OPTIMIZE) for preferred vaccine presentations Rota 300 250 200 Pneumo 150 100 50 0 Penta Trad Vax (bcg, opv, msl, dtp & tt) 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 20 02 20 04 20 06 20 08 20 10 20 12 20 14 20 16 20 18 20 20 Vaccine storage volumes, cm3/child Challenge of increased Vaccine volumes TV (bcg, opv, dtp, msl, tt) dtp-hepB-Hib Pneumo Rota 500 450 400 350 300 250 200 Drastic reduction of packed volumes Still, many countries facing challenges: • Weak infrastructures • Inefficient distribution systems • Poor stock monitoring and tracking • Insufficient vaccine wastage control As consequence • Delayed introductions • Short-term/ad-hoc solutions based on risky coping strategies • Sub-optimal use of the opportunities 150 Rota 100 Pneumo 50 0 Penta Trad Vax (bcg, opv, msl, dtp & tt) 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 20 02 20 04 20 06 20 08 20 10 20 12 20 14 20 16 20 18 20 20 Vaccine storage volumes, cm3/child Challenge of increased vaccine volumes TV (bcg, opv, msl, tt) dtp-hepB-Hib Pneumo Rota Vaccination workforce • Workload per team (use your experience) – No. of injections / vaccinator / day (according to settings) • Vaccination teams: – No. of teams = target population / daily workload / days • No. of personnel = staff per team x No. of teams – – – – Crowd/flow control Screening/Recording Mixing vaccine Administration of vaccine Analysis of No. of service points available Analysis of No. of service points available Thank you
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