Welcome to the Surveillance Knowledge Repository

Click on a topic under the Key Topic Areas section in the left column, then select a resource  from the list of resources that appear for that topic. You may also search for specific topics by entering one or more keywords in the Search bar. You can filter the search results by Content Type, Year, or Author Name.

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Previous research identifies social media as an informal source of near-real time health data that may add value to disease surveillance systems by providing broader access to health data across hard-toreach populations. This indirect health monitoring may improve public health professionals’... Read more

Like in other African countries, most HIV research in Tanzania focuses on adults 15-49 years, ignoring persons aged 50 years and above. In Tanzania, the HIV testing rate (ever tested) for 15 - 49 year olds has increased from 37% to 62% for women and 27% to 47% for men between 2008 and 2012.... Read more

The APCC hotline fields daily calls regarding potential animal intoxications from the US, its territories, and Canada. We explored the value of these data for identifying increased occurrences of intoxications related to livestock and poultry species, toxicant product categories, clinical... Read more

Communities and sections that are consistently underreporting both illness and death pose a significant risk to surveillance and their efficacy is dependent upon the reporting of community structures such as government structures (primary health units (PHUs), schools), EVD response structures (... Read more

LD, caused by Borrelia burgdorferi in North America is transmitted to humans from wild animal reservoir hosts by Ixodes spp. ticks1 in their woodland habitats2. LD risk in Canada occurs where tick vectors are established in southern British Columbia (I. pacificus) and in southern parts of... Read more

Super Bowl XLIX took place on February 1st, 2015 in Glendale, Arizona. In preparation for this large scale public event and related activities, the Maricopa County Department of Public Health (MCDPH) developed methods for enhanced surveillance, situational awareness and early detection of public... Read more

Anthrax is a widely distributed endemic infection in Georgia, affecting nearly the entire country. Many of the human cases that are annually registered are agriculturally acquired. Anthrax remains a public health risk due to active, resistant soil foci. More than 2,000 anthrax affected areas are... Read more

Cancer Registration is the systematic collection of data on cancers and the use of such information for action. Population-based cancer registration is not common practice in developing countries. Ghana has had no population-based cancer registry till 2012 when the Kumasi Cancer Registry was... Read more

Brucella spp., Coxiella burnetii, and tick-borne encephalitis virus (TBEV) are believed to be enzootic in the Republic of Kazakhstan, and pose a particular public health risk due to their transmissibility in unpasteurized milk and dairy products. We established a milk surveillance methodology... Read more

Obesity and related chronic diseases cost Canadians several billion dollars annually. Dietary intake, and in particular consumption of carbonated sweetened drinks (soda), has a strong effect on the incidence of obesity and other illness. Marketing research suggests that in-store promotion, and... Read more


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This Knowledge Repository is made possible through the activities of the Centers for Disease Control and Prevention Cooperative Agreement/Grant #1 NU500E000098-01, National Surveillance Program Community of Practice (NSSP-CoP): Strengthening Health Surveillance Capabilities Nationwide, which is in the interest of public health.