SLIDE 1 Räumliche und netzw erkbasierte Modelle zur Interventionsplanung bei direkt übertragenen Krankheiten
Markus Schw ehm & Martin Eichner Institut für Medizinische Biometrie, Tübingen
SLIDE 2
Influenzadynamik
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SLIDE 3
The InfluSim Simulator
SLIDE 4
Tabletop exercise at the South Korean Center of Disease Control (October 2006)
SLIDE 5
SLIDE 6 Umgang mit Unsicherheit
Für bis zu 10 Schiebereg- lern wurden Intervalle bestimmt, aus denen zufällige Werte gezogen wurden. Bevölkerung: 100 000 EW Resultate von 50 000 Simulationen dk: niedr. R0 hell: hoh. R0
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SLIDE 7
Infection Dynamics
susceptible immune infection contagious infected
Individual-based Network-based Stochastic Interventions?
SLIDE 8 Symptoms
dead
detectable none immune contagious infected susceptible
SLIDE 9 Interventions
dead
detectable none detected
traced none secluded isolated
SLIDE 10 InterSim: Three Layer Model
Symptom state none susceptible detectable infected
Infection state contagious unobserved traced detected Intervention state immune dead secluded isolated
SLIDE 11
Further Features
Death–Birth Process Group Quarantine Vaccination of
contacts quarantined Population
Limited Ressources Priority Queues Contact Networks
Local Small World Scalefree Random Global
Close/Remote Contacts Quarantine Groups
SLIDE 12
Contact Netw orks
Local Random Scalefree Social Network Interface
SLIDE 13 EpiDyNet
Modeling of antiviral efficacy and antiviral treatment strategies
SLIDE 14 Periodic outbreaks due to behavour change of susceptibles
SLIDE 15 Modeling of group quarantine
SLIDE 16
Applications
Smallpox (bioterror preparedness planning) SARS (emerging disease containment) Poliomyelitis (vaccination termination protocols) Pandemic Influenza (on beyond anti-virals) Rumors (person to person communications) Upcoming projects: Malaria (Host-Vector) Hepatitis (Sexually transmitted diseases)
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Conclusions
Individual and network-based Fast event-driven simulation Interactive user interface Generic infection and intervention process Combination of intervention strategies
SLIDE 18
The Explorator Project
Graphical Model Editor Deterministic Simulator Stochastic Simulator
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