2016 Immunization Coverage Data at Subnational Level

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Presentation transcript:

2016 Immunization Coverage Data at Subnational Level A descriptive analysis 17 October 2017 WHO IVB/EPI www.who.int

2017 data collection of immunization subnational administrative data Data requested: Denominator (number of children targeted), numerator (number of children vaccinated) and coverage For the 1st and 3rd dose of DTP- containing vaccines (DTP1, DTP3) and 1st dose of measles containing vaccine (MCV1) For the 2nd subnational administrative level (referred as Admin2, often known as district) Aggregated for the whole calendar year (from 1 January through 31st December 2016) From 194 WHO Member States Data received: Data for additional antigens, doses and vaccines: BCG, DTP2, DTP4, HepB birth dose, HepB1, HepB2, HepB3, Hib1, Hib2, Hib3, IPV1, MCV2, OPV0, PCV1, PCV2, PCV3, Pol1, Pol2, Pol3, RCV1, RCV2, Rota1, RotaC, TT2+, VAD1, Varicella and YFV Reported to be Admin1 and/or Admin2 From 140 WHO Member States Data received as of 10 October 2017 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 2

140 member states from all WHO regions shared 2016 subnational data African Region Region of the Americas Eastern Mediterranean Region European Region South-East Asia Region Western Pacific Region Not available / no data received The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. ©WHO 2017. All rights reserved. Not applicable Source: Sub-nationally reported immunization system performance data for calendar year 2016 submitted on the Joint Reporting Form on Immunization .. Map production: Immunization Vaccines and Biologicals, (IVB). World Health Organization. 194 WHO Member States. Date of slide: 10 October 2017

Subnational administrative data available from 133 WHO Member States Data received from more than 20,000 Admin2, in which live 2/3 of the global surviving infants Data completeness: 39 countries reported on admin1 level only, 15 on admin2 level only, and 79 on both admin1 and admin2 levels Data is reported from about 2,200 admin1 and more than 20,000 admin2 7 countries did not meet the minimum requirements set up by WHO for inclusion in the data set: only data from Member States that provided the data in electronical format, for the full year and that reported at least two indicators (coverage, numerator and denominator) were included Subnational administrative data available from 133 WHO Member States (61 countries with no subnational administrative data available – this includes 8 small countries with no subnational geographical divisions) Population size: From the reported data, the smallest admin2 has only 1 targeted child for immunization, and the largest admin2 is Karachi in Pakistan with a target population over 500,000 children 2/3 of the world's surviving infants live in countries reporting subnational administrative data 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 4

Data completeness: illustration 39 countries reporting only admin1 15 countries reporting only admin2 79 countries reporting admin1 and admin2 Not available / no data received The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. ©WHO 2017. All rights reserved. Not applicable Source: Sub-nationally reported immunization system performance data for calendar year 2016 submitted on the Joint Reporting Form on Immunization .. Map production: Immunization Vaccines and Biologicals, (IVB). World Health Organization. 194 WHO Member States. Date of slide: 10 October 2017

Population size & coverage: illustration Find more country visuals on: http://apps.who.int/gho/dat a/view.other.immu-admin2- dtp3?lang=en. 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 6

DTP3 Admin2 coverage data Target population (rounded average and median) Distribution of reported Admin2 DTP3 coverage by coverage range Average Median African Region 6,300 4,600 Region of the Americas 700 190 Eastern Mediterranean Region 29,500 10,600 European Region 820 390 South-East Asia Region 15,800 5,700 Western Pacific Region 1,200 1,000 Global 3,400 400 DTP3 data reported from over 20,000 admin2 Total Number of children vaccinated with 3 doses of DTPcv in all admin2: over 66,000,000 Reaching GVAP goal: countries report 70% of their admin2 have more than 80% DTP3 coverage 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 7 GVAP 2011-2010

DTP1 Admin2 coverage data Target population (rounded average and median): Distribution of reported Admin2 DTP1 coverage by coverage range Average Median African Region 6,100 4,500 Region of the Americas 720 190 Eastern Mediterranean Region 29,500 10,600 European Region 980 440 South-East Asia Region 15,800 5,700 Western Pacific Region 1,200 1,000 Global 3,400 400 DTP1 data reported from over 20,000 admin2 Total Number of children vaccinated with 1 dose of DTPcv in all admin2: over 69,000,000 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 8

MCV1 Admin2 coverage data Target population (rounded average and median): Distribution of reported Admin2 DTP1 coverage by coverage range Average Median African Region 6,200 4,600 Region of the Americas 700 200 Eastern Mediterranean Region 29,500 10,600 European Region 720 360 South-East Asia Region 15,800 5,700 Western Pacific Region 1,200 1,000 Global 3,400 400 MCV1 data reported from over 20,000 admin2 Total Number of children vaccinated with 1 dose of MCV in all admin2: over 65,000,000 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 9

Dropout at Admin1 level Global 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 10

Dropout at Admin1 level African region 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 11

Dropout at Admin1 level Region of the Americas 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 12

Dropout at Admin1 level Eastern Mediterranean region 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 13

Dropout at Admin1 level European region 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 14

Dropout at Admin1 level South-East Asian region 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 15

Limitations in the sub-national administrative data reported Data completeness Interpretation bias Data quality Not all member states included: 30% not included 20,000+ reported Admin2 represent about half of all Admin2 worldwide Admin2 coverage data mainly originates from 3 regions: Africa, the Americas and South-East Asia Some of the data received as Admin2 is actually for the 1st, 3rd or even lower level Also, some Admin1 may refer to 2nd subnational administrative level. This may explain some of the disparities in terms of district sizes. Some reported districts not linked to a specific geographical place (eg. migrant population, army camps, etc). These non- geographically based population often don’t have a denominator The diversity in reporting limits comparability across countries. Numerator errors: introduced when tallying, summarizing, and reporting the administered doses by health facilities and district administrations Inaccurate denominators: population estimates often based on census data and derived estimates, leading to distortions over time as certain districts may grow faster than others Numerator / denominator mismatches: population mobility creates mismatches between numerator and denominator, aggravated in countries with important migratory movements 1 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 16

Notes Please share your comments, questions and analysis to WHO through vpdata@who.int (subject line: Subnational data); When using them, always source WHO products, data and information related to the immunization subnational administrative data: "Subnationally reported immunization system performance data for calendar year 2016 submitted on the joint annual data collection process."; The slides, materials and visuals will be updated periodically. Last update: 10 October 2017. Visit our page: http://who.int/entity/immunization/monitoring_surveillance/data/subnational/en/index. html . 17 Oct 2017 | 2016 Immunization Coverage Data at subnational Level 17

WHO Switzerland vpdata@who.int 20, Avenue Appia 1211 Geneva Thank you WHO Switzerland vpdata@who.int 20, Avenue Appia 1211 Geneva www.who.int