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The Florida Department of Health works to protect, promote, and improve the health of all people in Florida through integrated state, county, and community efforts.
Routine Interstate Duplicate Review Process
HIV/AIDS
- 850-245-4422
- DiseaseControl@flhealth.gov
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Mailing Address
HIV/AIDS Section
4052 Bald Cypress Way
Tallahassee, FL 32399
The CDC's Routine Interstate Duplicate Review (RIDR) Process
Florida sends a computer created identifier using components of a person's name, gender and date of birth to the CDC along with other demographic, clinical and behavioral information. The CDC studies the information from all of the states, detects cases that may be duplicates and sends the information to the respective states to investigate. States then work together to resolve potential duplicates by discussing case information. Outcomes can include no match (they are different people) or match. Matches are duplicates, and the states must decide which state should retain the case based on where the case was first diagnosed. The state that retains the case will include it in their analysis of HIV/AIDS surveillance data.
- Florida's HIV/AIDS Surveillance and RIDR Process
- Where do the deduplicated cases go?
- Frequently Asked Questions
A strong reporting infrastructure within the 67 counties is the cornerstone of HIV surveillance in Florida. The state is divided into 17 areas, each led by a county health department (CHD) that works with program staff to coordinate surveillance activities for their area.
Florida's HIV/AIDS surveillance relies on electronic laboratory reporting. Currently, any person in charge of a laboratory that receives an HIV test order or processes an HIV test is required to report positive results to their local CHD within three business days. (Laboratories must also report all viral loads, p24 antigen, viral cultures, CD4 absolute count and percent of total lymphocytes.) Health care providers who initiate an order resulting in a positive HIV test or who diagnose HIV in a patient must report the diagnosis to their local CHD. Health care providers must also report all HIV-exposed newborns or infants less than 18 months born to woman with HIV by the next business day.
Program staff also locate cases by reviewing medical records and contacting local organizations, private providers and hospital infection control staff. Cases of HIV-related conditions, from HIV infection in asymptomatic people to HIV/AIDS-related mortality (as found through death certificate reviews), are identified as well.
Florida data are entered in the Enhanced HIV/AIDS Reporting System (eHARS) and sent to the CDC monthly. CDC maintains the national dataset—an unduplicated count of all HIV/AIDS cases in the U.S. RIDR is the process that ensures the national dataset is made up of unduplicated cases. All states participate in RIDR.
The table below is based on the year the case was reported to DOH, not the year the patient was diagnosed. For example, of the 5,211 cases reported in Florida in 2010, 4,369 of those cases were diagnosed in Florida in 2010 or earlier. The HIV cases in this table reflect year of report but could have been diagnosed anytime (that year or before), not just 2010. Therefore, these numbers will always be different.
The following are examples of how HIV cases can be duplicated.
- EXAMPLE 1
- EXAMPLE 2
- EXAMPLE 3
Connect with DOH