A Novel Method for Rapid Mapping of the Spatial Intensity of Influenza Epidemics

Surveillance of influenza epidemics is a priority for risk assessment and pandemic preparedness. Mapping epidemics can be challenging because influenza infections are incompletely ascertained, ascertainment can vary spatially, and often a denominator is not available. Rapid, more refined geographic or spatial intelligence could facilitate better preparedness and response.

June 18, 2019

Precision public health through clinic-based syndromic surveillance in communities

In December 2009, Taiwan’s CDC stopped its sentinel physician surveillance system. Currently, infectious disease surveillance systems in Taiwan rely on not only the national notifiable disease surveillance system but also real-time outbreak and disease surveillance (RODS) from emergency rooms, and the outpatient and hospitalization surveillance system from National Health Insurance data. However, the timeliness of data exchange and the number of monitored syndromic groups are limited. The spatial resolution of monitoring units is also too coarse, at the city level.

June 18, 2019

Timely Public Health Intervention and Vectorborne Response Planning

The OKC-Co Health Department deployed a phased vectorborne response plan to address multiple diseases, including Zika Virus and West Nile Virus. This plan is scalable and flexible, but must necessarily prepare for the worst case scenario. Although not currently a local threat in OKC-Co, Zika virus response planning requires early coordination between state, local and federal agencies in order to mitigate risk to the population.

June 18, 2019

Enhancing Drug Overdose Alerts with Spatial Visualization

Since 2008, drug overdose deaths exceeded the number of motor vehicle traffic-related deaths in Indiana, and the gap continues to widen1. While federal funding opportunities are available for states, it often takes years for best practices to be developed, shared, and published. Similarly, local health departments (LHDs) may experience lengthy delays to receive finalized county health statistics.

June 18, 2019

Asthma vs. PM2.5: A Bridge Between Health and Environmental Surveillance.

Southwest states are prone to wildfires, dust storms, and high winds especially during the monsoon season (June- September). Wildfire smoke is a complex mixture of carbon monoxide, carbon dioxide, water vapor, hydrocarbons, nitrogen, oxides, metals, and particulate matter (PM). Dust storms are made up of aerosols and dust particles varying in size; particles bigger than 10 µm are not breathable, but can damage external organs such as causing skin and eye irritations.

June 18, 2019

Using an Open GIS Framework and Epidemiological Intelligence for Dengue Surveillance

In the 2015 dengue outbreak in Taiwan, 43,784 people were infected and 228 died, making it the nation’s largest outbreak ever. Facing the increasing threat of dengue, the integration of health information for prevention and control of outbreaks becomes very important. Based on past epidemics, the areas with higher incidence of dengue fever are located in southern Taiwan. Without a smart and integrated surveillance system, the information on case distribution, high risk areas, mosquito surveillance, flooding areas and so on is fragmented.

January 21, 2018

Niche Modeling of Dengue Fever Using Remotely Sensed Environmental Factors and BRT

Dengue Fever (DF) is a vector-borne disease of the flavivirus family carried by the Aedes aegypti mosquito, and one of the leading causes of illness and death in tropical regions of the world. Nearly 400 million people become infected each year, while roughly one-third of the world’s population live in areas of risk. Dengue fever has been endemic to Colombia since the late 1970s and is a serious health problem for the country with over 36 million people at risk.

January 25, 2018

Tracking Trends in Marginalization and Deprivation Across Ontario with SDOH Mapper

Geographic Information System (GIS) technology provides visual tools, through the creation of computerized maps, graphs, and tables of geographic data, which can assist with problem solving and inform decision-making. One of the GIS tools being developed by KFL&A Public Health is the Social Determinants of Health (SDOH) Mapper. The SDOH Mapper consists of layers of information related to deprivation and marginalization indices across Ontario.

September 20, 2017

An Exploration of the H1N1 Outbreak in Champaign and Urbana Elementary Schools

Champaign and Urbana, Illinois are considered twin cities that share the University of Illinois. Due to different geographic recruitment procedures, Champaign and Urbana public elementary schools offer a particularly novel opportunity to examine the H1N1 outbreak among students. Urbana schools recruit from specific geographic areas (neighborhoods) designated by the school district whereas Champaign schools are non-selective in their composition where students residing in Champaign can attend any school within the city.


September 25, 2017

Application of Syndromic Surveillance to Describe Gunshot-related Injuries in Houston

In 2011, injury by firearms accounted for 32,351 deaths (10.4 deaths per 100,000 population) in the United States. This rate was higher than any infectious or parasitic disease (the highest being 2.5 for both viral hepatitis and HIV disease). Furthermore, death by gunshots accounted for over half of all suicides and over two-thirds of all homicides in the US. Despite the disproportionate media coverage of mass shootings and assault weapon violence, the vast majority of these deaths are attributable to non-mass shootings and to handguns.

September 28, 2017


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