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Vector Control

All articles tagged with #vector control

Google Proposes 32 Million Sterile Mosquito Release to Fight Mosquito-Borne Disease
technology1 day ago

Google Proposes 32 Million Sterile Mosquito Release to Fight Mosquito-Borne Disease

Google is seeking EPA approval to release 32 million lab-bred sterile male mosquitoes in Florida and California over two years as part of its Debug initiative, using a Wolbachia bacterial strain to ensure eggs don’t hatch when these males mate with females, thereby reducing the overall mosquito population and the spread of diseases; the plan, which entails 16 million releases in year one and 16 million in year two, is awaiting regulatory approval and details on host locations, reflecting a long history of sterile-insect techniques.

via NDTV|
#debug-initiative#google#mosquitoes
Cayman ramps up mosquito control with daytime aerial larviciding
local5 days ago

Cayman ramps up mosquito control with daytime aerial larviciding

With Cayman’s rainy season underway, the Mosquito Research and Control Unit is intensifying efforts, conducting island-wide daytime aerial larviciding to kill mosquito larvae before they become biting adults, alongside surveillance and biological controls. Scientists identify 36 species on the islands, notably Aedes aegypti, which spreads dengue, Zika and chikungunya. Mosquito bites are more likely in people with higher body heat and carbon dioxide output, skin bacteria, or sweat chemistry, and ankles, wrists, and neck are common bite sites. Residents are urged to remove standing water and support integrated pest management, including Gambusia fish, to curb emergences.

via Cayman Compass|
#aedes-aegypti#cayman-islands#dengue
Costa Rica Sees First Chikungunya Case in Nine Years, Prompting Mosquito Control Push
health4 months ago

Costa Rica Sees First Chikungunya Case in Nine Years, Prompting Mosquito Control Push

Costa Rica confirmed its first chikungunya case in nine years—a 24-year-old man from Esparza, Puntarenas—after lab confirmation, prompting fumigation across Esparza and planned follow-up spraying to curb transmission. Authorities emphasize vector control, urge residents to remove standing water, use repellent, and seek medical care if symptoms appear, as surveillance continues; the virus last appeared in the country in 2017, with ongoing dengue activity in the region.

via ticotimes.net|
#chikungunya#costa-rica#esparza
El Segundo Battles Months-Long Mosquito Infestation
us-news4 months ago

El Segundo Battles Months-Long Mosquito Infestation

A mosquito infestation has overwhelmed the El Segundo area near Los Angeles for roughly two months, with residents reporting relentless bites, nights disrupted by swarms, and mosquitoes invading homes despite preventive measures. City officials say they’re coordinating with Los Angeles Vector Control to identify sources and are focusing containment efforts on six blocks still under siege.

via New York Post|
#california#insects#los-angeles
WHO Endorses Spatial Emanators for Malaria Control
health9 months ago

WHO Endorses Spatial Emanators for Malaria Control

The WHO recommends the use of spatial emanators, a new malaria vector control tool that emits active ingredients to repel and kill mosquitoes, supporting their integration alongside existing measures like bed nets. The organization has prequalified two products, Mosquito Shield and Guardian, which can remain effective for up to a month and a year respectively, and are expected to enhance malaria prevention efforts, especially in areas facing insecticide resistance. Further research is ongoing to evaluate their standalone effectiveness and potential applications beyond malaria.

via World Health Organization (WHO)|
#health#malaria#prequalification
"Invasive Disease-Spreading Mosquitoes Threaten California Communities"
health2 years ago

"Invasive Disease-Spreading Mosquitoes Threaten California Communities"

Invasive Aedes aegypti mosquitoes, capable of transmitting diseases like Zika and dengue, have been found in several California counties, including San Diego. The California Department of Health has been monitoring these mosquitoes as part of a statewide surveillance system. Additionally, limited local transmission of dengue virus has been reported in various California counties. Residents are advised to take precautions such as eliminating standing water, using insect repellent, and wearing protective clothing to prevent mosquito bites.

via FOX 5 San Diego|
#aedes-aegypti#california#dengue-virus
"Oahu Reports Another Travel-Related Dengue Case, Health Officials Urge Precautions"
health2 years ago

"Oahu Reports Another Travel-Related Dengue Case, Health Officials Urge Precautions"

Another travel-related case of dengue has been reported in Haleiwa, Oahu, prompting the Hawaii Department of Health to urge the public to take extra precautions due to the high visitor traffic and dense mosquito populations in the area. Vector control teams have treated the area and are monitoring it closely, while urging residents to protect themselves from mosquito bites and eliminate standing water where mosquitoes breed. Since January 1, 2023, there have been 10 travel-related dengue cases reported in Hawaii, with five cases linked to Central or South America and five to Asia.

via Honolulu Star-Advertiser|
#dengue#hawaii#health
Invasive Disease-Spreading Mosquitoes Detected in Santa Clara County
health2 years ago

Invasive Disease-Spreading Mosquitoes Detected in Santa Clara County

Aedes aegypti mosquitoes, known for transmitting deadly viruses, have been found in Santa Clara County, prompting vector control measures. Residents are urged to eliminate standing water on their properties to prevent mosquito breeding. The mosquitoes, which prefer humans and are aggressive day-biters, can spread diseases like Zika and dengue. The county is implementing eradication plans and specialized traps in the affected area, while urging residents to report sightings and take preventive measures.

via KGO-TV|
#aedes-aegypti-mosquito#disease-transmission#health
The Surprising Survival Tactics of Zika Mosquito Eggs
science2 years ago

The Surprising Survival Tactics of Zika Mosquito Eggs

Eggs of the Aedes mosquito, which carries the Zika virus, have been found to survive desiccation by altering their metabolism, according to a study. Researchers discovered that the eggs undergo changes in metabolic pathways, including an increase in lipid metabolism and a decrease in glycolysis and ATP production. The eggs also accumulate polyamines, which help protect cellular components. Inhibitors of polyamine synthesis and fatty acid metabolism reduced the eggs' ability to survive desiccation. These findings provide insights into controlling the spread of the Zika-carrying mosquito and suggest potential vector-control agents.

via Phys.org|
#aedes-mosquito#desiccation-tolerance#metabolic-adaptation
"California's Never-Ending Mosquito Nightmare: Seeking Relief"
health-and-environment2 years ago

"California's Never-Ending Mosquito Nightmare: Seeking Relief"

California is experiencing its worst mosquito season in years, with the invasive Aedes aegypti mosquito, also known as the ankle-biter mosquito, causing havoc. The mosquito population has surged after a rare summer storm, and residents are being bitten in their own homes. The Aedes mosquito is more aggressive than native species, bites multiple times for one blood meal, and is more likely to bite at all hours of the day. Human cases of the mosquito-borne West Nile Virus are also spiking across the state. Efforts to control the spread of mosquito-borne diseases, including sterilizing male mosquitoes, are being explored. In the meantime, residents are advised to eliminate stagnant water to reduce mosquito breeding grounds.

via Patch|
#aedes-aegypti#california#health-and-environment
Mosquito Spraying Scheduled Across Multiple Counties to Combat Ankle Biter Infestation
health2 years ago

Mosquito Spraying Scheduled Across Multiple Counties to Combat Ankle Biter Infestation

Riverside County vector control officials are planning a large-scale anti-mosquito spraying operation in Perris, California, to combat the rising mosquito populations and eradicate growing infestations that pose a potential risk to public health. The spraying will target an area that tested positive for West Nile virus, and residents are advised to stay indoors and keep windows closed during the operation. Mosquito season in Southern California typically spans from May to October, and residents are reminded to take precautions to reduce exposure to mosquitoes carrying the virus.

via Patch|
#health#mosquito-spraying#public-health