Public Health Surveillance
Public Health Surveillance - Related Videos
10:17
Cities As Interfaces of Zoonotic Hazard Emergence: Development of the New York City Tick and Wildlife Urban Surveillance System
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2026
There is a critical need to monitor how ticks and their wildlife hosts respond to urbanization. This protocol outlines the steps for developing a standardized Tick and Wildlife Urban Surveillance System that will enable adaptive management in response to emerging tick-borne hazards in urban environments.
05:19
A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance
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2025
Overtreatment is often administered to patients with low-risk prostate cancer; super-active surveillance can help avoid such overtreatment.
01:15
Public Relations I
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2024
Public Relations (PR) is a strategic communication process that builds mutually beneficial relationships between organizations and the public. It's about influencing, engaging, and building a relationship with key stakeholders to shape and frame the public perception of an organization. PR can be used to protect, enhance, or build reputations through the media, social media, or self-produced communications. A good PR campaign can provide credibility and enhance the organization's reputation by...
01:26
Public Relations II
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2024
Public relations (PR) tools are various methods used by organizations to maintain a positive image and foster a strong relationship with the public. Here are some of the most commonly used PR tools: Press Releases: which are official statements sent to news media to provide information, announce events, clarify issues, and shape public perception. Media kits: that include a company profile, fact sheets, press releases, executive bios, images, and other relevant information. It's a go-to...
01:23
Important Public Goods
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2025
Public goods are services or resources provided primarily by the government because private companies often do not have an incentive to supply them at socially efficient levels. These goods are both non-excludable, meaning that people cannot be prevented from using them, and non-rivalrous, meaning that one person's use does not reduce their availability for others. If private firms are unable to economically prevent multiple, non-paying consumers from consuming their goods, then some consumers...
FAQs
Standardized case definitions establish consistent criteria for deciding whether a reported illness or health event belongs in surveillance data. This consistency allows results from clinical records, laboratory reports, surveys, and registries to be compared across places and time. It also helps analysts distinguish genuine changes in disease occurrence from differences in how cases were identified or recorded.
Clinical records, laboratory reports, surveys, registries, and other sources provide different views of population health. Laboratory information can support pathogen-related findings, while clinical and survey data may reveal illness patterns or risk factors. Comparing these sources helps connect observed health outcomes with biological and population-level patterns rather than relying on a single stream of information.
Statistical analyses help determine whether changes in disease occurrence, risk factors, or health outcomes represent notable patterns that require attention. By examining trends and comparing observations over time or across populations, analysts can interpret signals within surveillance data. These findings support outbreak detection, guide prevention and control measures, and improve understanding of changing public health conditions.
Biological interpretation connects population-level patterns with pathogens, hosts, environments, and transmission dynamics. A change in reported disease occurrence may therefore be examined in relation to the organism involved, the susceptible host population, or environmental conditions that influence spread. This connection helps surveillance support investigation of infectious threats and strengthens preparedness for emerging diseases.
The findings are analyzed and interpreted before being communicated to the people responsible for public health action. Signals may indicate changes in disease occurrence, risk factors, or health outcomes, prompting attention to prevention, control, or preparedness. Communication is essential because surveillance has practical value only when its findings can inform timely responses to population health threats.
Surveillance provides population-level information that can be examined before and after prevention or control measures are implemented. Changes in disease occurrence, risk factors, or health outcomes can then help assess whether an intervention is associated with the intended public health effect. This evaluation supports refinement of control strategies and helps direct future prevention efforts.
By revealing where disease patterns, risk factors, or adverse health outcomes are changing, surveillance helps identify populations and problems requiring attention. Public health organizations can use these findings to guide resource allocation and strengthen preparedness. In biology, linking those patterns to pathogens, hosts, environments, and transmission dynamics is especially valuable for anticipating emerging infectious disease challenges.