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Unclassified LA-UR-15-21206
Operated by Los Alamos National Security, LLC for the U.S. Department of Energy's NNSA
Tools and Apps to Enhance Situational
Awareness for Global Disease
Surveillance
Alina Deshpande, Ph.D. May 5th, 2015
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Situational awareness - The perception of elements in the
environment within a given time and space, the
comprehension of their meaning, and the projection of their
status in the near future (Endsley, 1995)
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• A suite of tools being developed to provide actionable information and knowledge
for enhanced situational awareness during an unfolding event
An app to provide context and a frame of reference for disease
surveillance information about an unfolding event, through
matching of user input to a library of global historical disease
outbreaks (http://swap.lanl.gov)
A tool to facilitate obtaining disease surveillance information.
Contains information on disease surveillance resources
worldwide (http://brd.lanl.gov)
A tool to rapidly select appropriate epidemiological models for
infectious disease prediction, forecasting and monitoring
(http://bard.lanl.gov/brd)
Situational awareness in infectious
disease surveillance – LANL tools
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The surveillance window concept
The duration of time within which information obtained can be used for early
warning or early detection of a disease outbreak
Nu
mb
er
of
cases o
f in
fecti
ou
s d
isease
Time
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• Cross platform app based on the surveillance window
concept (http://swap.lanl.gov)
• Contextualizes incoming information during an infectious
disease outbreak using historical outbreak data, supports
decision making
• Places a frame of reference for where a case count is
during an outbreak
• Determines whether the unfolding events are still within a
surveillance window, and therefore feasible to control
• Suggests additional information sources that could
support effective consequence management of an
outbreak
• Increases the granularity of situational awareness
The surveillance window app
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The surveillance window app - SWAP 14 Diseases, 276 Outbreaks, 89 Countries – so far
Disease
specific
input
request
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Development of outbreak matching
algorithm
Build representative disease portfolio of
historical outbreaks
Gather information on case count and
duration of outbreak.
Identify proximal and distal factors for each
outbreak
Select properties for similarity algorithm
Develop questions based on factors identified in each
outbreak.
Determine if these questions provide utility in identifying
patterns or outbreak
Implement weights and refine algorithm
Test each property's effect on the ranking
by one at a time elimination
Assign initial weights based on Rank Sum
weight elicitation. Refine
Test weighting/ iterate and update
Test different property functions, different weights,
and ranking without all attributes
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User input
SWAP output -
Similarity scores for
outbreaks in SWAP
library
SWAP output – display of closest
matching historical outbreak with
point estimate for user input
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The biosurveillance resource directory
Relational database containing biosurveillance products
and tools available worldwide (478 records covering 194
countries, http://brd.lanl.gov)
Based on framework that classifies and characterizes
biosurveillance resources
Searchable by multiple keywords (data streams,
geographic location, disease, etc.)
Provides access to resource website
Does not house data per se, facilitates discovery and
obtaining the right resources and data
Anticipated users - analysts, public health officers,
decision makers, national and local crisis planners and responders (military and civilian)
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Resource Category Examples
Supersystem
A system that collects information from multiple data streams and
other surveillance systems, and analyzes the data that is collected
to inform the biosurveillance goal
GOARN
TESSy
SAGES
System
A system that collects information from one or more data streams
and analyzes the data that is collected to inform the biosurveillance
goal
Biosentinel
ASPREN
ProMed
Health Map
Data Source
A system that collects information from one or more data streams
but does not analyze the data collected for a biosurveillance goal
Google News
Gene Expression Omnibus
Crisis Mappers
Tool / Software
Software or application that enables the collection or analysis of data
Essence
EARS
First Watch
Collective
A group of individuals or organizations with the shared objective of
contributing to data collection and analysis to inform a
biosurveillance goal
Mekong Basin Disease Surveillance
Wildlife Data Integration Network
BRD Resource Types
Collective Data Source Supersystem System Tool/
Software
38 105 10 279 45
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Afghanistan 2 Bhutan 2
Congo,
Republic of
the 4 France 11 Ireland 6 Liechtenstein 2 Myanmar 1 Portugal 4
South
Africa 7 Uganda 10
Albania 4 Bolivia 2 Costa Rica 1 Gabon 4 Israel 4 Lithuania 5 Namibia 2 Qatar 1
South
Sudan 3 Ukraine 3
Algeria 6
Bosnia and
Herzegovina 3 Croatia 4 Gambia 1 Italy 8 Luxembourg 5 Nauru 1 Romania 6 Spain 12
United
Arab
Emirates 1
Andorra 2 Botswana 2 Cuba 1 Georgia 1 Jamaica 1
Macedonia, Republic
of 2 Nepal 1 Russia 3 Sri Lanka 1
United
Kingdom 14
Angola 4 Brazil 3 Cyprus 5 Germany 9 Japan 9 Madagascar 2
Netherland
s 7 Rwanda 5 Sudan 5 Uruguay 1
Antigua and
Barbuda 1 Bulgaria 5
Czech
Republic 5 Ghana 5 Jordan 4 Malawi 2
New
Zealand 9
Saint Kitts
and Nevis 1 Suriname 1 Uzbekistan 1
Argentina 2 Burkina Faso 3 Denmark 4 Greece 7 Kazakhstan 2 Malaysia 1 Nicaragua 1
Saint Vincent
and the
Grenadines 1 Swaziland 2 Vanuatu 1
Armenia 2 Burundi 2 Djibouti 2 Greenland 1 Kenya 8 Maldives 1 Niger 3 Samoa 2 Sweden 7
Venezuela,
Bolivaran
Republic of 2
Australia 18 Côte d'Ivoire 3 Dominica 1 Grenada 1 Kiribati 1 Mali 3 Nigeria 9
Sao Tome
and Principe 1 Switzerland 5 Vietnam 4
Austria 6 Cambodia 4
Dominican
Republic 1 Guatemala 1
Korea, Democratic
People's Republic
of 2 Malta 6 Norway 9 Saudi Arabia 1
Syria,
Syrian
Arab
Republic 2 Wales 4
Azerbaijan 3 Cameroon 6 Ecuador 1 Guinea 9 Korea, Republic of 3 Marshall Islands 1 Oman 1 Scotland 2 Taiwan 1 Yemen 2
Bahamas 1 Canada 16 Egypt 5
Guinea-
Bissau 2 Kosovo 1 Mauritania 2 Pakistan 2 Senegal 6 Tajikistan 1 Zambia 3
Bahrain 1 Cape Verde 1 El Salvador 6 Guyana 1 Kuwait 1 Mauritius 1 Palau 2 Serbia 3 Tanzania 6 Zimbabwe 1
Bangladesh 2
Central African
Republic 3 England 7 Haiti 2 Kyrgyzstan 2 Mexico 7 Palestine 1 Seychelles 1 Thailand 7
United
States 279
Barbados 2 Chad 1
Equatorial
Guinea 2 Hungary 6
Laos, Lao
People's
Democratic
Republic 3
Micronesia,
Federated States of 2 Panama 1 Sierra Leone 10 Togo 4
Belarus 3 Chile 3 Eritrea 2 Iceland 3 Latvia 5 Moldova, Republic of 2
Papua New
Guinea 2 Singapore 3 Tonga 2
Belgium 7 China 4 Estonia 5 India 5 Lebanon 2 Mongolia 2 Paraguay 3 Slovakia 5
Trinidad
and
Tobago 1
Belize 2 Colombia 2 Ethiopia 2 Indonesia 4 Lesotho 1 Montenegro 2 Peru 4 Slovenia 4 Tunisia 4
Benin 3 Comoros 1 Fiji 2
Iran, Islamic
Republic of 1 Liberia 8 Morocco 5 Philippines 5
Solomon
Islands 2 Turkey 3
Bermuda 1
Congo,
Democratic
Republic of the 4 Finland 5
Iraq, Republic
of 1 Libya 4 Mozambique 5 Poland 7 Somalia 1 Tuvalu 1
Global distribution of BSV resources
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Alabama 8 Florida 17 Louisiana 7 Nevada 5 Oregon 13 Virgin Islands 1
Alaska 9 Georgia 15 Maine 11
New
Hampshire 9 Pennsylvania 13 Virginia 11
American Samoa 2 Guam 2 Maryland 17
New
Jersey 10 Puerto Rico 3 Washington 12
Arizona 10 Hawaii 10 Massachusetts 19
New
Mexico 15 Rhode Island 7 West Virginia 3
Arkansas 6 Idaho 5 Michigan 7 New York 16
South
Carolina 6 Wisconsin 9
California 20 Illinois 12 Minnesota 14
North
Carolina 96 South Dakota 3 Wyoming 3
Colorado 11 Indiana 10 Mississippi 3
North
Dakota 4 Tennessee 8
Connecticut 13 Iowa 8 Missouri 8
Northern
Marianas
Islands 1 Texas 11
Delaware 8 Kansas 6 Montana 5 Ohio 10 Utah 8
District of
Columbia 8 Kentucky 4 Nebraska 6 Oklahoma 5 Vermont 8
US distribution of BSV resources
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Alabama 8 Florida 17 Louisiana 7 Nevada 5 Oregon 13 Virgin Islands 1
Alaska 9 Georgia 15 Maine 11
New
Hampshire 9 Pennsylvania 13 Virginia 11
American Samoa 2 Guam 2 Maryland 17
New
Jersey 10 Puerto Rico 3 Washington 12
Arizona 10 Hawaii 10 Massachusetts 19
New
Mexico 15 Rhode Island 7 West Virginia 3
Arkansas 6 Idaho 5 Michigan 7 New York 16
South
Carolina 6 Wisconsin 9
California 20 Illinois 12 Minnesota 14
North
Carolina 96 South Dakota 3 Wyoming 3
Colorado 11 Indiana 10 Mississippi 3
North
Dakota 4 Tennessee 8
Connecticut 13 Iowa 8 Missouri 8
Northern
Marianas
Islands 1 Texas 11
Delaware 8 Kansas 6 Montana 5 Ohio 10 Utah 8
District of
Columbia 8 Kentucky 4 Nebraska 6 Oklahoma 5 Vermont 8
US distribution of BSV resources Biosurveillance
Process: The process of gathering, integrating, interpreting, and communicating
Knowledge: Essential information related to all-hazards threats or disease activity
affecting human, animal, or plant health
Purpose: To achieve early detection and warning, contribute to overall
situational awareness of the health aspects of an incident, and to
enable better decision making at all levels - National Strategy for Biosurveillance, 2012
Early Warning of
Health Threats
Early Detection of
Health Events
Situational
Awareness
Consequence
Management
Surveillance that enables the
identification of potential threats,
including emerging and re-emerging
diseases, that may be undefined or
unexpected
Surveillance that enables
identification of disease outbreaks (either
natural or intentional in origin), or events that
have occurred, before they become
significant
Surveillance that monitors the location,
magnitude and spread of an outbreak
or event once it has occurred
Surveillance that assesses impacts and
informs response to an outbreak or an
event
Baseline Awareness Information that can inform and facilitate the achievement of the above surveillance goals and can be related to population demographics and health, the natural, social, and
built environment and underlying disease patterns and characteristics
BS
V G
OA
LS
Time
Ambulance / EMT Records
Clinic/Health Care Provider Records
ED / Hospital Records
Employment / School Records
Established Databases
Financial Records
Help Lines
Internet Search Queries
Laboratory Records
News Aggregators
Official Reports
Police / Fire Department Records
Personal Communication
Prediction Markets
Sales
Social Media
DA
TA
ST
RE
AM
CA
TE
GO
RIE
S
Algorithms
Collection Method
Data Accuracy
Data Processing Before Analysis
Data Quality
Data Reporting
Data Security
Data Structure
Data Transmission
Geospatial Characteristics
Metadata Collected
Population Characteristics
Stakeholders
…
DA
TA
ST
RE
AM
DE
TA
ILS
Infectious Disease(s)
of Interest
Human Animal Plant
Pathogen Pest
Diagnostic
Data that leads to identification of a
pathogen, or confirmed diagnosis of
disease
Syndromic
Health-related data that may precede
or substitute for formal diagnosis
Environmental
Non-health related data associated
with the social, natural, and/or built
environment
DA
TA
ST
RE
AM
CO
NT
EX
T
Dis
ease, P
op
ula
tio
n, T
yp
e
DA
TA
ST
RE
AM
CH
AR
AC
TE
RIZ
AT
ION
BIOSURVEILLANCE
DATA STREAM FRAMEWORK
SC
OP
E
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0 20 40 60 80 100 120
Financial Records
Police/Fire Dept
Prediction Markets
Employment/School
Internet Search Queries
Ambulance/EMT
Sales
Social Media
Help Lines
News Aggregators
Established Databases
ED/Hospital
Personal Communication
Clinic/Health Care Provider
Official Reports
Laboratory Records
Number of Records
Data stream categories used in active
cataloged surveillance systems
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Motivation for BARD development
Epidemiological models have utility in disease surveillance, however,
choice of an appropriate model is difficult without information about;
• Scope of their use (e.g. operational status of such models, their
purpose, input data needs, time to results, etc.)
• Features - the diversity of model types and the manner in which they
are described (risk mapping, disease dynamics, statistical, anomaly
detection, network, etc.)
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The biosurveillance analytics resource
directory Prototype - 78 models covering Malaria, Cholera,
Influenza, Foot and Mouth disease, Dengue
(bard.lanl.gov/brd)
Provides specific information about an operational model
that has been systematically categorized and highlighted
Allows “apples to apples” comparison of multiple models
if available for a single disease
Provides links to specific models and updated and
accurate contact information for a model facilitating its
immediate use
Is a model characterization tool - The framework could
be applicable to any new models that may be included in
the future and common characteristics and attributes of
models would be cataloged
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Number of
Models
Influenza Cholera Dengue FMD Malaria
Described in
research papers 109 30 22 81 34
Included in BARD
(operational
models)
25 14 14 21 13
BARD models
Model Documentation Model Association Model Distribution
3. Model has the equivalent to a
‘user manual’ 3. Model is currently in use and is
being actively promoted for use by
others
3. Model code/software is readily
available either by open-source,
by subscription/registration, or by
purchase 2. Model has technical
documentation 2. Model is linked to a website
specific to the model 2. Model code/software is
available for distribution for limited
use 1. Model has been only described
in peer-reviewed literature 1. Model is only linked to a
research group through
documentation (such as research
team from a university that has
published an article describing
results)
1. Model code/software is not
accessible/available
Working criteria for operational models
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http://bard.lanl.gov/brd
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• Sustainability of tools and resources • Updated and expanded content – automated data mining tools
• Curated content – Wiki style content editing and updating, engaging
all stakeholders
• Maintaining utility - outreach and tool refinement
LANL decision support tools - the
challenges
Established
Relationships
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• Decision support tools offered through LANL’s Biosurveillance (BSV)
gateway (http://bsv.lanl.gov)
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• Mr. Esteban Abeyta
• Ms. Lauren Castro
• Ms. Ashlynn Daughton
• Mr. Eric Generous
• Dr. Geoffrey Fairchild
• Dr. Reid Priedhorsky
• Dr. Kirsten Taylor-
McCabe
• Mrs. Nileena Velappan
• Dr. Alina Deshpande
LANL team
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Thank you!