Related Experiment Video
Updated: May 25, 2026
06:18
Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
Published on: March 13, 2018
Dengue outbreak in Key West, Florida, USA, 2009
Elizabeth G Radke1, Christopher J Gregory, Kristina W Kintziger
1Florida Department of Health, Tallahassee, Florida, USA.
Emerging Infectious Diseases
|January 20, 2012
Summary
Dengue reemerged in Florida after 3 cases were reported. A serosurvey found 5% of residents had recent dengue infection, indicating a significant outbreak. Healthcare providers need increased dengue awareness.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- Dengue virus transmission is a growing global concern.
- Florida, with its subtropical climate, is susceptible to mosquito-borne illnesses.
- Recent identification of locally acquired dengue cases in Key West prompted further investigation.
Purpose of the Study:
- To assess the extent of dengue virus transmission in Key West, Florida.
- To determine the infection rate of recent dengue cases within the Key West population.
Main Methods:
- A serosurvey was conducted among Key West residents.
- Serological testing was performed to detect recent dengue infections.
Main Results:
- Thirteen residents exhibited evidence of recent dengue infection.
- The estimated infection rate was 5% (90% confidence interval: 2%-8%).
- This finding confirms the reemergence of dengue in Florida.
Conclusions:
- The serosurvey results demonstrate a significant dengue outbreak in Key West.
- Enhanced surveillance and increased awareness among healthcare providers are crucial for managing future dengue cases in Florida.
Related Concept Videos
01:25Arboviral Encephalitis
Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
01:28Infectious Diseases and Their Occurrence
Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
01:23Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
01:25Cholera
Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
01:27Influenza
Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...