Core Viewpoint - The increasing public awareness of mosquito prevention is driving the growth of related products and services in the market [3][5]. Group 1: Market Demand and Trends - The demand for mosquito repellent products has surged due to rising temperatures and increased rainfall, leading to a higher incidence of mosquito-borne diseases [3][4]. - In Guangdong, from July 27 to August 2, there were 2,892 new reported cases of local transmission of Chikungunya fever, prompting local governments to initiate mosquito control measures [4]. - Sales of mosquito repellent products in supermarkets have doubled in recent weeks, with overall sales up by 30% compared to July [7][5]. Group 2: Product Development and Consumer Behavior - Consumers are increasingly purchasing mosquito repellent products from supermarkets, with products prominently displayed and marketed with various features such as "baby-friendly" and "outdoor use" [6][7]. - The market for mosquito repellent products is still dominated by traditional items like floral water and incense, with a lack of innovation appealing to younger consumers [8][6]. Group 3: Biological Control Measures - Several cities in South China are experimenting with biological control methods to reduce the transmission of mosquito-borne viruses, including the introduction of non-biting mosquito species and fish that consume mosquito larvae [12][13]. - The "mosquito factory" model, which involves releasing infected male mosquitoes to suppress the population of disease-carrying females, has shown promising results in international contexts [13][14]. Group 4: Recommendations for Public Health - Public health departments are encouraged to adopt proactive measures for mosquito control, including regular supply of necessary products and public awareness campaigns [17][12]. - The cost of implementing biological control measures is estimated to be between 2 to 3 yuan per square meter, with potential for cost reduction as the scale of the project increases [14][16].

Group 1 - The article emphasizes the ongoing threat of mosquitoes and the importance of scientific prevention methods as autumn approaches [1] - Expert advice includes wearing light-colored long-sleeved clothing and applying mosquito repellent during outdoor activities, especially for children and pregnant women [2] - Regular community hygiene campaigns and timely waste management are recommended to control mosquito breeding sites [7] Group 2 - Proper usage of insecticide sprays involves targeting areas where mosquitoes hide, such as behind doors and curtains, and ensuring ventilation after application [4] - Electric mosquito repellents should be activated 1-2 hours before sleep, with doors and windows closed during use for effective results [6]

Core Viewpoint - The article discusses the recent outbreak of Chikungunya fever in Guangdong province, emphasizing the importance of mosquito control to break the transmission chain of the disease [3][11]. Summary by Sections Mosquito Surveillance and Risk Assessment - Guangdong has identified high-risk areas for mosquito-borne diseases, with Guangzhou reporting a medium risk level across the city. In a recent survey covering 120 districts, 12 were classified as high-risk [4]. - In Zhongshan, 63.1% of the monitored communities were deemed safe, while 27.3% were low risk, and 8.1% were medium risk, with four communities identified as high risk [5]. Response Measures and Public Health Initiatives - Following the outbreak, local governments have mobilized various stakeholders, including volunteers and property management, to participate in mosquito eradication efforts. In Shunde District, measures include increasing medical facilities and using drones for efficient monitoring [6]. - The government of Foshan has initiated a Level III public health emergency response and launched a week-long mosquito extermination campaign to control mosquito density and prevent further spread [6]. Community Engagement and Challenges - Community efforts in Guangzhou include targeted mosquito control in high-density areas, with professional agencies conducting extermination while local staff assist. Challenges include weather conditions affecting extermination schedules and the need for community education on mosquito prevention [9][10]. - Innovative biological control methods are being explored, such as releasing non-biting mosquito larvae to reduce the population of disease-carrying mosquitoes [10]. Broader Regional Actions - Other cities like Shenzhen and Zhuhai have implemented comprehensive mosquito control measures, including inspections of potential breeding sites and chemical spraying to reduce mosquito populations [10]. - Health advisories have been issued in regions outside Guangdong, urging residents to take precautions against mosquito bites and monitor their health if returning from high-risk areas [10].

Core Viewpoint - The recent emergence of Chikungunya fever in some southern cities of China has raised public concern, but experts emphasize that the disease is preventable and controllable through effective mosquito control, water management, and bite prevention measures [1] Group 1: Disease Overview - Chikungunya fever is an acute infectious disease caused by the Chikungunya virus, primarily transmitted by Aedes mosquitoes [2] - The disease was first identified in Africa in 1952 and has since been reported in over 100 countries, mainly in Southeast Asia, Africa, Europe, and parts of the Americas [2] - Symptoms include sudden onset fever, joint pain, and rash, with joint pain often persisting for months in some patients [2][3] Group 2: Symptoms and Diagnosis - The main symptoms of Chikungunya fever include high fever (up to 39°C), severe joint pain, and rash, collectively referred to as the "Chikungunya triad" [3] - Chikungunya fever can be confused with dengue fever, as both are transmitted by Aedes mosquitoes; however, Chikungunya typically causes longer-lasting joint pain, while dengue poses a higher risk of severe complications [3] Group 3: Treatment and Management - In case of infection, management includes temperature control, with a recommendation to avoid aspirin due to the risk of bleeding, especially during dengue outbreaks [5] - Hydration is crucial, and patients are advised to use oral rehydration salts and maintain fluid intake [5] - Isolation and mosquito protection measures should be implemented within the first five days of illness to prevent further transmission [5] Group 4: Vulnerable Populations - Newborns and elderly individuals, particularly those with underlying health conditions, are at higher risk for severe complications from Chikungunya fever [6] - Newborns can contract the virus during delivery if the mother is viremic, potentially leading to serious conditions like myocarditis and encephalitis [6] Group 5: Prevention Strategies - Effective prevention of Chikungunya fever focuses on mosquito control, water management, and bite prevention [8] - Mosquito control can be achieved through various household insecticides, while water management involves eliminating standing water where mosquitoes breed [8] - Personal protective measures include installing screens, using mosquito nets, and applying repellents when outdoors [8]

Core Viewpoint - The World Health Organization (WHO) has issued a warning regarding the spread of chikungunya virus, urging countries to prepare for potential outbreaks as approximately 5.5 million people are at risk globally, with 119 countries reporting cases [1] Group 1: Current Situation - As of July 22, over 3,000 confirmed cases of chikungunya have been reported in Foshan, Guangdong Province, since the first case was detected on July 8 [1] - The Beijing Center for Disease Control has noted occasional imported cases, indicating a persistent risk of case importation due to increased international exchanges [1] Group 2: Transmission and Symptoms - Chikungunya is primarily transmitted through mosquito bites, specifically by Aedes mosquitoes, with no evidence of human-to-human transmission [2] - Symptoms include fever, rash, and severe joint pain, with most patients experiencing mild cases that typically resolve within 5 to 7 days [4][3] - The clinical characteristics observed include low to moderate fever, rash appearing within 1 to 3 days, and significant joint pain, particularly in the fingers and ankles [3][4] Group 3: Prevention Measures - Key prevention strategies include eliminating mosquito breeding sites, such as standing water, and using household mosquito repellents [6] - Recommendations for personal protection include installing screens on windows, using mosquito nets while sleeping, and wearing light-colored long-sleeve clothing outdoors [6] - Individuals exhibiting symptoms such as high fever, severe joint pain, or rash, especially with a history of mosquito bites or travel to affected areas, should seek medical attention promptly [6]