Displaying results 1585 - 1592 of 2343
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Crowdout: When do other events hinder informal disease surveillance?
Content Type: Abstract
Informal surveillance systems like HealthMap are effective at the early detection of outbreaks. However, reliance on informal sources such as news media makes the efficiency of these systems vulnerable to newsroom constraints, namely high-profile… read more -
Do geographic trends of social media indicate risk of secondary infectious disease outbreaks?
Content Type: Abstract
A devastating cholera outbreak began in Haiti in 2010. Sequencing of Vibrio cholerae isolates showed that the epidemic was likely the result of the introduction of cholera from a distant geographic source. The same strain of cholera was detected in… read more -
Multi-stream Influenza Surveillance for Situational Awareness
Content Type: Abstract
Much progress has been made on the development of novel systems for influenza surveillance, or explored the choices of algorithms for detecting the start of a peak season. The use of multiple streams of surveillance data has been shown to improve… read more -
Analysis of Alternatives for Combined and/or Collaborative Syndromic Surveillance Within DoD and VA
Content Type: Abstract
The Joint Incentive Fund (JIF) Authorization creates innovative DoD/VA sharing initiatives. In 2009, DoD and VA commenced a biosurveillance JIF project whose principle objectives include improved situational awareness of combined VA/ DoD populations… read more -
Comparing Methods for Sentinel Surveillance Site Placement
Content Type: Abstract
Influenza-like illness (ILI) data is collected via an Influenza Sentinel Provider Surveillance Network at the state level. Because participation is voluntary, locations of the sentinel providers may not reflect optimal geographic placement. This… read more -
Severe Influenza Pneumonia Surveillance: Clinical and Translational Epidemiology
Content Type: Abstract
The threat of epidemics due to non-human strains of influenza A viruses is ever present1. Surveillance is a critical aspect of pandemic preparedness for early case detection2. Identification of the index cases of a pandemic virus can trigger public… read more -
Clustering of U.S. Cities Based on Mortality from Influenza and Pneumonia
Content Type: Abstract
Influenza is a major cause of mortality. In developed countries, mortality is at its highest during winter months, not only as a result of deaths from influenza and pneumonia but also as a result of deaths attributed to other diseases (e.g.… read more -
Predictors of vaccination uptake for the 2009 influenza pandemic (H1N1) in Montreal
Content Type: Abstract
Work on vaccination timing and promotion largely precedes the 2009 pandemic. Post-pandemic studies examining the wide range of local vaccination efforts mostly have been limited to surveys assessing the role of administrative strategies, logistical… read more