URBANISATION ET EMERGENCE DE MALADIES TRANSMISSIBLES Pr. GRARD - - PowerPoint PPT Presentation

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URBANISATION ET EMERGENCE DE MALADIES TRANSMISSIBLES Pr. GRARD - - PowerPoint PPT Presentation

Dec 13, 2023 261 likes •548 views

URBANISATION ET EMERGENCE DE MALADIES TRANSMISSIBLES Pr. GRARD SALEM, UNIVERSIT PARIS OUEST-IRD INTERNATIONAL COUNCIL FOR SCIENCE U. LES NOUVELLES MENACES DES MALADIES INFECIEUSES MERGENTES; Paris 24 mai 2012 OUR PLANET The world's

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URBANISATION ET EMERGENCE DE MALADIES TRANSMISSIBLES

  • Pr. GÉRARD SALEM,

UNIVERSITÉ PARIS OUEST-IRD INTERNATIONAL COUNCIL FOR SCIENCE U.

LES NOUVELLES MENACES DES MALADIES INFECIEUSES ÉMERGENTES; Paris 24 mai 2012

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OUR PLANET

The world's population is growing

from 6 billion in 2005 to a projected 9 billion in 2050

… and urbanising

2007 : transition year !

global urban population : 3,303,992,253 people (approx) exceeded rural population : 3,303,866,404 people

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World Urbanization Prospects : 2007, the URBAN YEAR !

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In Europe …

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Urban Growth in West Africa

1960

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1990 1960

Urban Growth in West Africa

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1960 1990 2020

Urban Growth in West Africa

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An urban world An urban world An urban world An urban world

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General Health Impacts of Urbanisation : Infectious Morbidity

1) High Human Population Densities :

Fast and Intense Circulation of Pathogenic Factors Earlier primary phase infections (measles, tuberculosis,etc.) new epidemiology, strategies of immunization, etc.

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Health Impacts of Urbanisation : Emerging diseases

1) High Human Population Densities : Fast and Intense Circulation of Pathogenic Factors Earlier primary phase infections (measles, tuberculosis,etc.) New Immunity new epidemiology, strategies of immunization, etc.

2) Spatial and Social Heterogeneity Socio-Spatial Health inequalities

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Venice, Italy

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Dogon cities, Mali, West Africa

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Pikine, Dakar’Subur b

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Slums in Nairobi

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Paris PARIS

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But also, slums in Paris

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And new castle in Abidjan (Cote Ivoire)

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General Health Impacts of Urbanisation : Infectious Morbidity

1) High Human Population Densities : Fast and Intense Circulation of Pathogenic Factors Earlier primary phase infections (measles, tuberculosis,etc.) New Immunity new epidemiology, strategies of immunization, etc. 2) Spatial and Social Heterogeneity Socio-Spatial Health inequalities

3) Spaces are open and interconnected

  • intense circulation

inside the urban area, between urban areas, between urban and rural areas multilevel approaches, specially for emerging diseases

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Challenges 1

Morbidity

Old diseases (dysentery, respiratory

diseases, etc.)

« New » old diseases : malaria dengue,

etc

New diseases (HBP, K, diabète, etc) co-morbidity, co-evolution

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Challenges 2

Process of emergence/process of urbanisation