Tag

Dengue

All articles tagged with #dengue

health6 days ago•47 min saved

Florida Records Local Dengue Transmission, First in 15 Years

Florida has reported 10 locally acquired dengue cases this year—eight in Hillsborough County and two in Pinellas County—marking the first local transmission in Pinellas in 15 years. Dengue fever is mosquito‑borne and can cause fever, rash and severe body pains; most U.S. cases come from travelers, but local transmission can occur when an infected traveler introduces the virus to local Aedes mosquitoes. The CDC advises protective clothing and insect repellent and authorities continue mosquito-control efforts to prevent further spread.

via Yahoo|

#dengue #florida #health

science-and-environment8 days ago•7 min saved

Heat and Habitat Shifts Push California Toward Vector-Borne Disease Spike

A warming climate and disrupted ecosystems are expanding the range of disease-carrying mosquitoes and fleas in California, fueling spikes in West Nile virus and raising dengue and flea-borne typhus risks; experts say multiple factors—heat, urban expansion, wildlife interactions, and rodenticide bans—are at play, making California a focal point for the growing threat of vector-borne diseases.

via Los Angeles Times|

#california #climate-change #dengue

science9 days ago•55 min saved

Heat and habitat shifts push California toward a vector-borne disease hotspot

Rising temperatures and climate-driven changes are expanding vectors—mosquitoes, ticks, fleas—in California, fueling West Nile virus activity in birds and humans, signaling growing dengue risk in urban areas, and contributing to flea-borne typhus outbreaks. Experts emphasize there isn’t a single cause; rather a mix of warming, habitat disruption, and ecosystem changes that are increasing opportunities for disease transmission statewide.

via Yahoo|

#california #climate-change #dengue

health11 days ago•25 min saved

Tiny, Deadly Bites: Mosquitoes Claim 700,000 Lives Each Year

Globally, mosquitoes kill more than 700,000 people annually by spreading diseases such as malaria, dengue, West Nile virus, yellow fever, and Japanese encephalitis; malaria alone accounts for over 600,000 deaths each year, mainly in sub-Saharan Africa. Dengue infects about 400 million people annually with roughly 21,000 deaths. In the U.S., malaria has reemerged with locally acquired cases in 2023, while dengue cases surged in 2024 (up 359% above the 2010–2023 average) and West Nile virus reached a 22-year high. Vaccines exist for several of these diseases, but only a small fraction of the thousands of mosquito species transmit pathogens; most mosquitoes are harmless.

via New York Post|

#dengue #health #malaria

world17 days ago•14 min saved

Dengue Hits the U.S.: Watch Virginia and Florida for Local Transmission

Dengue is spreading in the United States this summer, with more than 1,400 cases including several locally acquired infections in Virginia and Florida. Most cases stem from travelers returning home, but CDC data show rising local and travel-related infections nationwide, though sustained transmission remains low in Virginia. Health experts link the spread to warming temperatures and climate change expanding mosquito ranges. Dengue symptoms can include vomiting, rash and body aches; there is no specific antiviral treatment, only supportive care, and a vaccine (Dengvaxia) is recommended only for certain previously infected children aged 9–16. Prevention centers on mosquito bite protection.

via The Independent|

#dengue #florida #mosquitoes

health18 days ago•1 min saved

Virginia Logs First Locally Acquired Dengue Case

Virginia has confirmed its first locally acquired dengue infection; the patient had not traveled outside the state. Investigators believe a local Aedes mosquito may have bitten a traveler who returned from abroad, then transmitted the virus to the patient. There is no evidence of ongoing local transmission, and no additional locally acquired cases have been identified. The risk remains low, with health officials conducting mosquito surveillance and urging residents to eliminate standing water and use insect repellent to prevent bites.

via 930 WFMD Free Talk|

#dengue #health #local-transmission

public-health19 days ago•46 min saved

Florida issues dengue alerts as locally acquired cases rise; how to guard against mosquitoes

The Florida Department of Health in Miami-Dade County issued Aug. 3 alerts for dengue after a locally acquired case; three locally acquired dengue cases were reported between July 26 and Aug. 1, with four confirmed in 2026 across Hillsborough, Miami-Dade, and Palm Beach counties. Officials emphasize preventing mosquito-borne illness by eliminating standing water, using repellent (especially at dusk and dawn), securing entrances with screens, wearing long sleeves and pants, cleaning rain gutters, replacing outdoor water, and requesting mosquito inspections.

via Yahoo|

#aedes-aegypti #dengue #florida

health20 days ago•1 min saved

Virginia logs its first locally transmitted dengue fever case

Virginia health officials confirmed the state's first locally acquired dengue fever case, with no recent travel outside the state; health authorities say a local Aedes mosquito likely transmitted the virus from an infected neighbor to the patient. The risk to the public remains low, and residents are urged to use EPA-registered repellents and remove standing water as the May–November mosquito season approaches.

via WTOP|

#dengue #health #local-transmission

health20 days ago•3 min saved

Northern Virginia reports Virginia’s first locally acquired dengue case

Virginia’s Department of Health says a Northern Virginia resident contracted dengue without recent travel, marking the state’s first locally acquired case. The infection is linked to an internationally acquired case in the area, but officials say the overall risk remains low while they monitor for more cases. Prevention guidance emphasizes eliminating Aedes mosquito breeding sites, advising bite prevention, and asking clinicians to consider dengue for acute febrile patients with relevant exposure, with diagnostic testing following CDC guidance.

via WSLS|

#dengue #dengue-virus #health

health23 days ago•3 min saved

Miami-Dade Reports Local Dengue Case, Urges Mosquito Precautions

Florida’s Department of Health in Miami-Dade and the county Mosquito Control confirmed a locally acquired dengue case and are boosting surveillance and control efforts; residents are urged to protect themselves from mosquito bites, as dengue is transmitted by Aedes aegypti mosquitoes and not spread person-to-person. Symptoms typically appear within 14 days of infection. For information, visit the DOH mosquito-prevention page, report dead birds to the FWC, or call 305-324-2400 if symptoms develop.

via WPLG Local 10|

#dengue #health #miami-dade

science26 days ago•9 min saved

Climate-driven Mosquito Invasion Sparks Dengue and Chikungunya Spread Across Europe

Climate warming is enabling the tiger mosquito (Aedes albopictus) to spread across Europe, leading to locally transmitted dengue and chikungunya without travel links, as seen in a 2024 Italian outbreak in Fano. Researchers warn the mosquito season could lengthen and transmission may occur at cooler temperatures than previously thought, raising the risk of endemic disease in parts of Europe even as extreme heat can reduce mosquito numbers. Public-health preparedness, vector-control efforts (such as sterile-male releases), and individual precautions are increasingly essential as other invasive species like Aedes aegypti appear in Madeira and Cyprus.

via WIRED|

#aedes-albopictus #chikungunya #climate-change

science26 days ago•7 min saved

Mosquitoes on the Move: four charts reveal a widening global threat

Four charts illustrate how disease‑carrying mosquitoes are expanding worldwide due to climate change and globalization: Aedes albopictus has reached new European regions in 2025–26, dengue and chikungunya outbreaks have surged and malaria remained a major killer (282 million cases in 2024); over the centuries, 45 vector mosquitoes have invaded new regions, with 12 since 2000, aided by tyres, live plants, and modern travel, while rising temperatures widen the transmission window.

via Nature|

#climate-change #dengue #malaria

health1 month ago•6 min saved

Yemen fights dengue surge as health teams target mosquito breeding sites

In Mukalla, health workers comb slum areas for stagnant water to curb a dengue outbreak that has strained Yemen’s already fragile health system, finding both dengue and malaria larvae and facing limited funding, delayed care, and uneven public cooperation as residents store water and hinder control efforts.

via Al Jazeera|

#dengue #health #outbreak

science-tech1 month ago•11 min saved

Australia's Wolbachia Mosquito Trials Inform Google's Sterile-Mosquito Plan

Australian field trials releasing Wolbachia‑infected male mosquitoes into three towns showed rapid population suppression of Aedes aegypti—mosquito numbers declined within about four weeks, with one town reaching roughly 95% suppression after a year. The results support Google/Alphabet’s plan to release tens of millions of sterile males in the US and suggest ecological impact would be small, though success hinges on local ecology and ongoing releases, plus strong community engagement. The effort also highlights the value of collaboration across universities and Verily in translating lab concepts to real‑world solutions.

via The Conversation|

#australia #bio-control #dengue

health1 month ago•6 min saved

India approves dengue vaccine, but four-strain immunity remains a hurdle

India has approved its first dengue vaccine, QDENGA (TAK-003) from Takeda for ages 4–60, given in two doses three months apart to protect against all four dengue serotypes. While the vaccine broadens protection and lowers the risk of severe dengue and hospitalization, it does not provide 100% immunity. Immunity is serotype-specific, and antibodies from one infection may not neutralize a different strain, raising the possibility of breakthrough infections. Vaccination should follow national guidelines and complement, not replace, mosquito control and preventive measures, with emphasis on early diagnosis and hydration to manage dengue.

via The Times of India|

#antibody-dependent-enhancement #dengue #health