CAMERON COUNTY, TEXAS — Public health officials announced Monday that Texas has reported its first locally acquired case of the dengue virus for the year, originating in Cameron County.
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This marks a significant development in the state’s fight against dengue, as Texas has already recorded 106 travel-associated dengue cases in 2024, including one fatality. This figure represents the highest annual case count in the state since 2002, according to a press release from state health authorities.
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What Does “Locally Acquired” Mean?
A “locally acquired” case refers to an infection in individuals with no travel history to regions where dengue virus is commonly transmitted.
Typically, dengue transmission occurs in tropical and subtropical climates, including Florida and U.S. territories like Puerto Rico.
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Dengue Virus: Symptoms and Prevention
Dengue virus is a mosquito-borne illness, with about 25% of infected individuals showing symptoms.
Common symptoms include:
- Fever with aches and pains
- Nausea and vomiting
- Rashes
Symptoms usually appear within two weeks of a mosquito bite and can last between two to seven days. Most individuals recover in about a week.
The Centers for Disease Control and Prevention (CDC) emphasizes that the best way to prevent dengue is by avoiding mosquito bites, especially during active mosquito seasons.
National Dengue Trends
While this is Texas’ first locally acquired case in 2024, the CDC reports at least 4,962 cases nationally this year. Last year, Texas also recorded one locally acquired case.
The majority of local cases in the U.S. have been reported in Puerto Rico, with other states like California and Florida reporting 15 and 53 cases, respectively.
Nationally, the number of locally acquired dengue cases has more than tripled compared to 2023, reflecting a sharp increase.
CDC Health Alert and Rising Global Concerns
In June, the CDC issued a health alert warning of an elevated risk of dengue infections. The agency noted that global dengue cases have reached record highs this year, a trend likely linked to rising global temperatures, which expand mosquito habitats.
Mosquito Activity Persists in Texas
Texas health officials caution that mosquito activity remains prevalent across much of the state into November and December, urging residents to take preventive measures to reduce the risk of mosquito bites.
