Swine Surveillance
Swine Surveillance - Related Videos
05:59
Nasal Wipes for Influenza A Virus Detection and Isolation from Swine
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Cited by 19 •
2015
The authors present a protocol to collect swine nasal wipes to detect and isolate influenza A viruses.
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.
01:26
Principles of Disease Surveillance
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2025
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
12:09
Avian Influenza Surveillance with FTA Cards: Field Methods, Biosafety, and Transportation Issues Solved
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Cited by 42 •
2011
A method to preserve, detect and sequence RNA from Avian Influenza Viruses was validated and extended using natural faecal samples from birds. This technique removes the necessity of maintaining a cool chain and handling of infectious viruses and can be applied in a 96-well high-throughput setup.
01:27
Immune Surveillance by NK Cells and Phagocytes
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2026
Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats. Natural Killer Cells: The Fast Responders NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
FAQs
The distinction depends on what the laboratory test detects. Findings that identify a pathogen can indicate its presence at the time of sampling, whereas antibodies may reflect an immune response caused by earlier exposure or vaccination. Interpreting both types of indicators alongside health records and results collected over time helps researchers assess whether infection is current, historical, or changing within a population.
Representative sampling helps ensure that surveillance findings reflect the broader population rather than only unusually healthy, sick, or accessible animals. Sampling across relevant herds, locations, time points, and production systems supports more reliable comparisons. Without this breadth, the apparent frequency or distribution of an infectious threat may be distorted, limiting the value of laboratory results for population-level decisions.
Results become more informative when researchers compare them across dates, geographic areas, and production systems. These comparisons can reveal whether an indicator is isolated, persistent, expanding, or associated with a particular setting. Repeated observations also help distinguish a single detection from a broader trend, supporting assessment of pathogen spread and recognition of emerging or changing infectious threats.
A typical workflow begins by selecting animals or herds that represent the population and collecting relevant health, production, or diagnostic information. Samples are then examined with laboratory tests for pathogens, antibodies, or other infection indicators. Finally, investigators organize and compare the results across time, location, and production systems to interpret infection patterns and guide appropriate decisions.
Surveillance findings can provide early warning when infectious indicators appear before a problem is recognized broadly. During an investigation, comparing results among affected and unaffected settings can help characterize the distribution of a threat and inform targeted biosecurity measures. The same evidence can support decisions about where monitoring should be strengthened and how response efforts should be prioritized.
In immunology and infection research, surveillance connects population-level observations with biological evidence of infection and immune response. Detecting pathogens, antibodies, or other indicators helps investigators examine exposure patterns and distinguish current disease from prior immune recognition. These data also inform vaccination planning, improve understanding of changing pathogens, and clarify implications for animal health, productivity, and relevant public health concerns.