Core Insights - The article emphasizes the heightened risk of various infectious diseases following flood disasters, particularly intestinal infectious diseases, zoonotic diseases, and respiratory infectious diseases [1] Summary by Category Prevention of Intestinal Infectious Diseases - Intestinal infectious diseases, such as cholera, bacterial dysentery, typhoid, and hand-foot-mouth disease, are prevalent after flood disasters [2] - Key preventive measures include ensuring drinking water hygiene by consuming only boiled or sanitized bottled water, and maintaining cleanliness of water storage containers [2] - Food safety is crucial; food should be thoroughly cooked, and utensils must be cleaned and disinfected before use [2] - Environmental hygiene involves thorough cleaning and disinfection of homes affected by flooding, including the removal of stagnant water and debris [2] Prevention of Zoonotic Diseases - Zoonotic diseases of concern post-flood include dengue fever, hemorrhagic fever, leptospirosis, and plague [3] - Preventive actions include maintaining cleanliness to avoid rodent infestations, proper storage of food, and personal protective measures when handling sick animals [3] - It is advised to keep livestock away from living areas, avoid consuming raw milk or undercooked meat, and implement mosquito control measures [3] Prevention of Respiratory Infectious Diseases - The risk of respiratory infectious diseases, such as COVID-19 and influenza, increases in temporary shelters due to close contact among individuals [4] - Preventive strategies include maintaining personal hygiene, ensuring adequate rest, and monitoring health for respiratory symptoms [4] - Emphasis is placed on environmental hygiene through regular ventilation and practicing good hand hygiene [4]

Core Viewpoint - The article emphasizes the importance of preventive measures against various infectious diseases during the upcoming National Day and Mid-Autumn Festival holidays in China, as travel and gatherings are expected to increase significantly [1]. Group 1: Norovirus Gastroenteritis - Norovirus infection peaks from October to March, often causing outbreaks in schools and travel groups, primarily transmitted through contaminated food and water [2] - Common symptoms include nausea, vomiting, abdominal pain, and diarrhea, with adults mainly experiencing diarrhea and children more often showing vomiting [2] - Preventive measures include frequent handwashing, maintaining food and water hygiene, and proper disinfection of contaminated surfaces [3] Group 2: Mosquito-borne Diseases - Dengue fever, chikungunya, and Zika virus are transmitted by mosquitoes, with symptoms including fever, fatigue, and severe pain [4] - Pregnant women are at higher risk for Zika virus, which can cause severe birth defects [4] - Preventive measures include avoiding mosquito bites, eliminating breeding sites, and monitoring health after returning from endemic areas [5][6] Group 3: Cholera - Cholera is an intestinal infectious disease primarily spread through contaminated water and food, leading to severe dehydration [7] - As of August 2025, over 409,000 cholera cases have been reported globally, with a significant number in Africa [7] - Preventive measures focus on food and water hygiene, emphasizing the consumption of cooked food and safe drinking water [8] Group 4: COVID-19 - COVID-19 symptoms include sore throat, cough, and fever, with older adults at higher risk for severe illness [9] - Preventive measures include maintaining good hygiene, avoiding crowded places when symptomatic, and seeking medical attention promptly [10][11] Group 5: Monkeypox - Monkeypox presents with fever, rash, and swollen lymph nodes, primarily transmitted through direct contact with infected individuals [12] - Preventive measures involve avoiding close contact with suspected cases and being aware of the disease's prevalence in travel destinations [13] Group 6: Food Poisoning - Food poisoning incidents peak during the months of May to October, particularly during holidays when dining out increases [14] - Preventive measures include choosing reputable dining establishments and ensuring proper food handling at home [15] Group 7: Zoonotic Diseases - Contact with livestock or wild animals can lead to zoonotic diseases such as plague and avian influenza [16][17] - Preventive measures include avoiding contact with unknown animals, proper handling of animal products, and seeking medical attention for animal bites [18]

Core Viewpoint - The article provides a comprehensive guide on mosquito prevention and control, emphasizing the importance of choosing appropriate mosquito repellent products, especially for vulnerable groups such as children and pregnant women [1]. Group 1: Mosquito Prevention Methods - Physical mosquito prevention methods include electric mosquito swatters, mosquito lamps, mosquito nets, and wearing light-colored long-sleeved clothing [2]. - Chemical mosquito repellents include mosquito coils, electric mosquito repellent liquids, and sprays containing active ingredients like DEET and picaridin [2]. - It is recommended to use physical methods indoors and reserve chemical repellents for outdoor activities, avoiding long-term use of chemical products [2]. Group 2: Special Considerations for Vulnerable Groups - Children under 2 months should avoid all chemical repellents and prioritize physical methods like mosquito nets and light clothing [3]. - For children over 2 months and pregnant women, repellents containing picaridin or low concentrations of DEET are preferred, while alcohol-based or essential oil products should be avoided [3][5]. - The skin of children is more sensitive, and they are at a higher risk of adverse reactions to mosquito bites, necessitating careful selection of repellent products [4][8]. Group 3: Safety and Efficacy of Repellents - The concentration of active ingredients in repellents is crucial; for DEET, it should be below 30% for children, and for picaridin, below 10% [5]. - Natural ingredients in traditional Chinese medicine can also repel mosquitoes but may cause allergic reactions, highlighting that "natural" does not equate to "safe" [6][7]. - Parents are advised to test new products on a small area of the child's skin before widespread application to monitor for adverse reactions [5][7]. Group 4: Post-Bite Care - After a mosquito bite, washing the area with soap and water can help alleviate itching, and cold compresses can reduce swelling [9]. - It is advised to avoid using alcohol-based products on bite sites, as they can cause irritation [10]. - In cases of severe reactions or symptoms following a bite, seeking medical attention is recommended [9].

Market Overview - The mosquito repellent market in China is projected to reach a retail value of 12.006 billion yuan by 2024, with a compound annual growth rate (CAGR) of 7.28% from 2020 to 2024, up from 5.2 billion yuan in 2017 [2][3] - The narrow mosquito repellent market (excluding insecticides) grew from 5.181 billion yuan in 2017 to 7.459 billion yuan in 2022, with an estimated market size of 10.170 billion yuan by 2027 [2][3] Consumer Behavior - Increased awareness of mosquito-borne diseases, particularly the Chikungunya virus outbreak, has significantly boosted sales of mosquito repellent products, with some products seeing order volume increases of 60% to 138.2% year-on-year in July and August 2023 [3][4] - Online sales channels are growing rapidly, with the online market size for narrow mosquito repellent reaching approximately 1.827 billion yuan in 2022, representing a 24.5% penetration rate [2][3] Product Development and Trends - The product range has expanded from traditional items like mosquito nets and floral water to include electric mosquito repellent liquids, sprays, and protective patches, catering to various scenarios such as home use and outdoor activities [1][10] - The electric mosquito repellent liquid has become the largest segment in the market, accounting for 23.5% of the total market share in 2022 [11][12] Industry Competition - The mosquito repellent industry is characterized by low market concentration, with over 21,000 companies operating in this sector, and a significant number of new registrations in recent years [5][7] - Major players include Shanghai Jahwa, Chaoyun Group, and Runben, with notable market shares in both online and offline channels [7][8] Regulatory Environment - The industry is facing calls to avoid "involution" or excessive competition, with associations urging companies to focus on product innovation and sustainable practices [13]

Core Viewpoint - The emergence of local outbreaks of Chikungunya fever in certain regions of China has prompted a rapid response from health authorities, emphasizing the importance of mosquito control and public awareness to prevent further spread [2][5]. Group 1: Disease Overview - Chikungunya fever is an acute mosquito-borne viral infection primarily transmitted by Aedes mosquitoes, particularly Aedes aegypti and Aedes albopictus [3]. - Symptoms typically appear 3 to 7 days after infection, with common signs including high fever and joint pain, especially in small joints like wrists and ankles [3]. - Most patients recover within a week, but approximately 30% to 40% may experience prolonged joint pain [3]. Group 2: Prevention Measures - Key prevention strategies include eliminating adult mosquitoes, removing breeding sites, and avoiding mosquito bites [4]. - Personal protective measures involve wearing light-colored, long-sleeved clothing and using effective mosquito repellent on exposed skin [4]. - Environmental management includes regular cleaning of potential water accumulation sites and using approved insecticides indoors [4]. Group 3: Travel Advisory - Travelers should check for Chikungunya fever outbreaks at their destinations and take appropriate precautions [5]. - Post-travel self-monitoring for symptoms such as fever and joint pain is advised, with immediate medical consultation recommended if symptoms arise within two weeks [5].

Core Viewpoint - The recent heavy rainfall across multiple regions has led to flooding, creating health risks due to the proliferation of pathogens in contaminated water and debris [1] Group 1: Prevention of Waterborne Diseases - Floodwaters can contaminate drinking water and food supplies, leading to outbreaks of intestinal diseases such as bacterial dysentery and viral infections [2] - Recommendations to prevent waterborne diseases include frequent handwashing, ensuring safe drinking water, consuming properly cooked food, and seeking medical attention for symptoms like fever and nausea [3] Group 2: Prevention of Skin Infections - Accumulated water post-flooding can harbor waste and debris, increasing the risk of skin infections like dermatitis and athlete's foot [4] - It is advised to avoid direct contact with contaminated water, wear protective clothing, and clean any wounds promptly to prevent infections [4] Group 3: Prevention of Vector-Borne Diseases - Stagnant water mixed with waste creates an ideal breeding ground for mosquitoes, raising the risk of vector-borne diseases such as chikungunya and dengue fever [5] - To mitigate the spread of these diseases, it is essential to eliminate standing water, use mosquito repellents, and install protective barriers like screens and nets [5]

Core Viewpoint - The article highlights the regulatory measures imposed by the Urumqi Market Supervision Administration in Xinjiang regarding the advertising of mosquito repellent products, emphasizing the need for compliance with the Advertising Law of the People's Republic of China. Group 1: Regulatory Guidelines - Advertisements for pesticide products, including mosquito repellents, must be approved by the relevant advertising review authority before publication [1] - Advertisements for mosquito repellent products must clearly state the pesticide advertising approval number [1] - Advertisements must not contain assertions or guarantees regarding efficacy and safety [1] - Advertisements cannot utilize the names or images of research institutions, academic organizations, technical promotion agencies, industry associations, professionals, or users for endorsement [1] Group 2: Prohibited Content in Advertisements - Advertisements must not include statements about effectiveness rates [2] - Advertisements are prohibited from containing "no refund" promises or insurance commitments [2]

Core Viewpoint - The city of Foshan, Guangdong, is engaged in an urgent public health battle against Chikungunya fever, marking an unprecedented level of response since the COVID-19 pandemic [1][2]. Group 1: Disease Overview - Chikungunya fever, transmitted by mosquitoes, has led to severe symptoms such as high fever, rashes, and intense joint pain, with approximately 5.5 million people at risk globally [2]. - Since the first reported case in Foshan on July 8, confirmed cases have surged to over 7,000 by late July, prompting local authorities to declare a serious public health situation [3][45]. Group 2: Government Response - The Foshan government activated a Level III public health emergency response on July 29, initiating widespread testing and preventive measures, including free nucleic acid screenings [3][4]. - A comprehensive public health campaign has been launched, involving community mobilization for mosquito eradication and sanitation efforts across multiple cities in Guangdong [5][46]. Group 3: Community Involvement - The campaign has seen participation from various sectors, including local government officials, community workers, and even school teachers, emphasizing a collective effort to combat the mosquito population [20][21][19]. - Residents are actively involved in cleaning up potential mosquito breeding sites, with community-driven initiatives to eliminate standing water and promote hygiene [22][24]. Group 4: Challenges and Adaptations - The ongoing rainy season complicates efforts, as heavy rainfall can create new breeding grounds for mosquitoes, making it difficult to maintain cleanliness [29][30]. - Reports indicate that all mosquitoes in Guangdong have developed resistance to common insecticides, necessitating increased dosages and alternative strategies for mosquito control [38][39]. Group 5: Innovative Measures - New strategies include the release of sterilized male mosquitoes to reduce the population and the introduction of natural predators like loaches and mosquito-eating fish in local water bodies [43]. - The community is also encouraged to plant mosquito-repelling plants, further diversifying the approach to mosquito control [43]. Group 6: Current Status and Future Outlook - As of August 8, Foshan reported a decline in daily new cases, with numbers dropping below 200 for five consecutive days, indicating some success in the ongoing battle [44]. - However, local officials warn that the situation remains serious due to environmental factors, and continued vigilance is necessary to prevent further outbreaks [45].

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].

Core Viewpoint - The effectiveness of mosquito coils as a protective measure against the ongoing high incidence of Chikungunya virus in Guangdong is questioned, particularly due to the development of resistance in mosquitoes to the active ingredients in these products [1][6][15] Group 1: Composition and Mechanism - The main active ingredient in mosquito coils is pyrethroids, which are synthetic compounds similar to natural pyrethrins derived from the chrysanthemum plant [3][4] - Pyrethroids work by delaying the closure of voltage-gated sodium channels in insect nerve cells, leading to over-excitation and eventual paralysis and death of the insects [3] Group 2: Resistance Issues - Many mosquitoes, including the primary vector for Chikungunya, Aedes albopictus, have developed resistance to pyrethroids, with studies showing that mortality rates in these mosquitoes rarely exceed 40% when exposed to commonly used pyrethroid insecticides [6][7] Group 3: Behavioral Factors - Aedes albopictus is primarily active during the day and tends to remain outdoors, making traditional nighttime use of mosquito coils less effective against them [11][12] Group 4: Health and Safety Concerns - Traditional mosquito coils can contribute to indoor air pollution, with studies indicating that the PM2.5 levels during use can exceed safe limits by 1.59 to 7.42 times [13] - There are also fire hazards associated with the use of mosquito coils, as evidenced by incidents like the tragic fire at a summer camp in South Korea, which was caused by unattended coils [14]