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法国近4个月报告228例基孔肯雅热本土传播病例
Xin Hua She· 2025-08-28 02:48
Group 1 - The French Public Health Agency reported 30 local transmission cases of Chikungunya fever from May 1 to August 26 this year, totaling 228 reported cases [1] - The cases are primarily concentrated in the southern regions of France, including Provence-Alpes-Côte d'Azur, Corsica, and Occitanie [1] - The increase in Chikungunya transmission is linked to a virus strain highly adapted to the Aedes albopictus mosquito, prevalent in the Indian Ocean territories, particularly Réunion Island [1] Group 2 - During the same period, the health department recorded 946 cases of imported Chikungunya, 825 cases of dengue fever, and 7 cases of Zika virus disease in France [1] - According to the World Health Organization, Chikungunya is mainly transmitted by Aedes aegypti and Aedes albopictus mosquitoes, with symptoms including fever, joint pain, muscle pain, headache, and rash [1] - Most patients recover within a week, although joint pain may persist for a longer duration [1]
累报近万例,“基孔热”将如何发展?专访中疾控首席专家
Xin Jing Bao· 2025-08-17 07:42
Core Viewpoint - The largest outbreak of Chikungunya fever in recorded history has occurred in Guangdong, with a total of 9,933 reported cases as of August 16, 2023, raising concerns about the potential for the disease to become endemic in the region due to various factors including climate change and increased mosquito populations [1][5][12]. Summary by Sections Current Situation - As of mid-August, the Chikungunya outbreak in Guangdong has seen a decline in new cases, dropping from 408 on July 29 to 66 by August 15, indicating a potential downward trend in the epidemic [2][3]. Factors Influencing the Outbreak - The outbreak's severity is attributed to delayed detection, high mosquito density, and favorable climatic conditions for mosquito breeding, exacerbated by global warming [5][6][11]. - The presence of the Aedes albopictus mosquito, which is a primary vector for Chikungunya, is widespread in Guangdong, contributing to the outbreak's intensity [9][10]. Control Measures - Effective management of the outbreak requires rapid case identification, mosquito control, and public health education to prevent further spread [4][7]. - The control of mosquito populations through environmental management and chemical measures is crucial, especially in densely populated areas [3][4]. Risk of Spread - The risk of the outbreak spreading to neighboring regions, including Macau, is significant, particularly if the number of cases remains high [7][8]. - Areas with high population mobility and favorable climatic conditions, such as southern coastal provinces and economically active regions, are at increased risk for future outbreaks [8][9]. Long-term Implications - Climate change is expected to complicate the control of mosquito-borne diseases, potentially leading to more frequent outbreaks across broader geographic areas [12][13]. - There is a risk that Chikungunya and Dengue fever could transition from imported diseases to endemic conditions in regions with high mosquito populations and frequent human movement [13].
与蚊搏斗:当基孔肯雅热来势汹汹
Hu Xiu· 2025-08-12 13:15
Group 1 - The first local case of Chikungunya fever in Shunde District, Foshan, Guangdong Province was reported on July 8, with a total of 478 confirmed cases by July 15 [1] - The number of cases in Shunde District rapidly increased, reaching a total of 8,769 cases in Foshan by August 10, with cases also reported in Hong Kong, Macau, and Hunan [2] Group 2 - Chikungunya fever, caused by the Chikungunya virus, is transmitted through the bite of infected Aedes mosquitoes and does not spread from person to person [3][4] - The virus was first identified in Tanzania in 1952 and has since spread to various regions, with significant outbreaks occurring in Kenya in 2004, leading to nearly 500,000 cases [4] Group 3 - As of December 2024, 119 countries and regions have reported local transmission cases of the Chikungunya virus, with 27 countries having established mosquito populations capable of transmission [5] - The virus can spread rapidly in areas with suitable mosquito habitats, especially when introduced to regions without prior outbreaks [5][6] Group 4 - The transmission cycle involves infected mosquitoes biting humans, with symptoms appearing after a 3-7 day incubation period, including fever, rash, and joint pain [9] - The ideal conditions for Aedes mosquitoes include relative humidity of 60%-80% and temperatures between 25-28°C, although extreme weather can affect mosquito populations [10] Group 5 - Joint pain is a significant symptom of Chikungunya fever, which can vary in severity and duration, with some patients experiencing symptoms for months or even years [11] - The similarities between Chikungunya and Dengue fever, both transmitted by Aedes mosquitoes, complicate diagnosis and require specific testing for differentiation [14] Group 6 - The current outbreak in Foshan is compared to the early spread of Dengue fever in China, which also began with imported cases before establishing local transmission [18] - Historical data shows that Chikungunya fever has previously occurred in parts of Yunnan and Guangdong, with significant outbreaks reported in 2010 and 2019 [20] Group 7 - The potential for Chikungunya fever to become endemic in China is analyzed through the lens of transmission sources, pathways, and susceptible populations [21][22] - The increase in imported cases from Southeast Asia highlights the risk of local outbreaks, especially in densely populated urban areas [24] Group 8 - Climate change is contributing to the expansion of suitable habitats for Aedes mosquitoes, with rising temperatures and increased rainfall creating ideal breeding conditions [31][36] - Projections indicate that the risk areas for mosquito-borne diseases like Chikungunya and Dengue will likely expand northward in China due to climate change [36] Group 9 - Public awareness and preventive measures are crucial, as the lack of immunity and understanding of Chikungunya fever among the population can facilitate its spread [39][41] - Local health authorities are promoting initiatives to reduce mosquito breeding sites and increase public awareness of prevention strategies [42][43] Group 10 - The number of daily reported cases in Foshan has shown a significant decline, indicating the effectiveness of current control measures [46] - Despite the decline, the risk of the disease spreading to other regions remains, necessitating continued vigilance and public health efforts [47]
河南被归类为基孔肯雅热流行风险Ⅱ类地区 预防关键在于防蚊灭蚊
He Nan Ri Bao· 2025-08-11 23:39
Group 1 - The article discusses the recent outbreak of Chikungunya fever in regions like Foshan and Guangzhou, with Henan Province classified as a risk area for the disease [1] - Chikungunya is an acute mosquito-borne viral disease transmitted by Aedes mosquitoes, with over 110 countries reporting local transmission, primarily in Southeast Asia, Africa, and the Americas [1] - Symptoms include fever, rash, joint pain, and muscle pain, with a notable difference being that severe cases are rare in Chikungunya compared to Dengue fever, although joint pain can persist in some patients [1] Group 2 - The presence of Aedes albopictus, commonly known as "flower mosquito," is noted in Henan, with activity peaking from May to October [2] - These mosquitoes breed in various small water containers and are aggressive, primarily feeding during the day [2] Group 3 - Effective prevention strategies focus on mosquito control, including eliminating standing water and using mosquito repellents [3] - Traditional Chinese medicine suggests using herbal mixtures to repel mosquitoes, highlighting the importance of preventive measures for travelers to endemic areas [3] - Individuals returning from Chikungunya-affected regions are advised to monitor their health for two weeks and seek medical attention if symptoms arise [3]
8月3日0时至9日24时,东莞新增报告2例基孔肯雅热病例
Nan Fang Du Shi Bao· 2025-08-11 05:44
Core Insights - Guangdong Province reported 1,387 new local cases of Chikungunya fever from August 3 to August 9, 2025, with no severe or fatal cases reported [1] - In Dongguan, 2 new cases were reported, primarily located in Songshan Lake Park and Hengli Town, both classified as mild cases [1] - Dongguan CDC has initiated various preventive measures including mosquito eradication, breeding ground elimination, public education, case monitoring, and mosquito density monitoring [1] - The region has entered a high incidence season for both dengue fever and Chikungunya fever, with specific areas identified as having transmission risks [1]
武汉疾控发布致广大市民倡议书
财联社· 2025-08-07 05:35
Core Viewpoint - The article emphasizes the importance of public awareness and preventive measures against dengue fever and chikungunya, particularly during the summer season when mosquito activity is high [3][7]. Group 1: Prevention Measures - Citizens are urged to eliminate mosquito breeding grounds by regularly checking for stagnant water in containers such as tires, flowerpot trays, and garbage bins [3][4]. - Proper management of water storage facilities is recommended, including covering water buckets and changing water regularly [4]. - Maintaining a clean environment by clearing drainage systems and filling in construction depressions to prevent water accumulation is essential [5]. Group 2: Personal Protection - Recommendations for home protection include installing screens on doors and windows, using mosquito nets while sleeping, and utilizing mosquito repellent products [6]. - When going outdoors, it is advised to wear light-colored long clothing and apply mosquito repellent containing DEET, especially during peak mosquito activity times [6]. Group 3: Health Monitoring - Individuals experiencing symptoms such as fever, joint pain, or rash are advised to seek medical attention immediately and avoid self-medicating with non-steroidal anti-inflammatory drugs [7]. - Community cooperation is encouraged in response to any reported cases of dengue fever or chikungunya in the neighborhood [7]. Group 4: Community Engagement - The article calls for active participation in community clean-up activities to maintain hygiene and monitor for potential mosquito breeding sites [8]. - It stresses the importance of obtaining disease prevention knowledge from official sources to avoid misinformation [9].
基孔肯雅热,怎么防如何治?(大健康观察)
Ren Min Ri Bao Hai Wai Ban· 2025-08-04 22:48
Core Viewpoint - The recent outbreak of Chikungunya fever in some southern cities of China has raised concerns about its transmission and prevention methods, highlighting the need for public awareness and effective mosquito control measures [2][5]. Group 1: Disease Overview - Chikungunya fever is an acute mosquito-borne viral disease primarily transmitted by Aedes mosquitoes, particularly Aedes aegypti and Aedes albopictus, prevalent in tropical and subtropical regions [3][6]. - The disease was first identified in Tanzania in 1952, with its name derived from a local term meaning "to become contorted," reflecting the severe joint pain experienced by patients [3][5]. Group 2: Transmission and Symptoms - The primary transmission cycle is "human → mosquito → human," with no direct human-to-human transmission through casual contact or respiratory droplets [6][8]. - Symptoms include fever, joint pain, and rash, typically lasting 5 to 7 days, with a focus on vulnerable populations such as the elderly, children, pregnant women, and those with pre-existing health conditions [9][10]. Group 3: Comparison with Other Diseases - Chikungunya fever shares similarities with dengue fever in terms of transmission and initial symptoms, but it has a shorter incubation period and faster spread, with studies suggesting it spreads 2-3 times faster than dengue [10][11]. Group 4: Diagnosis and Treatment - Diagnosis involves virus nucleic acid testing and specific antibody detection, with no specific antiviral treatment available; management is primarily symptomatic [12][11]. - Patients are advised against self-medication, particularly with drugs like aspirin or ibuprofen, which could exacerbate symptoms [12][11]. Group 5: Prevention Measures - Effective prevention focuses on mosquito control, including eliminating breeding sites by removing stagnant water and using physical, chemical, and biological methods for mosquito eradication [13][14]. - Personal protective measures include wearing long sleeves and pants, using mosquito repellents, and avoiding outdoor activities during peak mosquito activity times [14].
关于蚊子 南京疾控发布致全市市民的倡议书
Xin Hua Ri Bao· 2025-08-04 05:03
Core Viewpoint - The Nanjing Municipal Center for Disease Control and Prevention has issued a public initiative to raise awareness and promote preventive measures against mosquito-borne diseases, particularly during the high-risk summer season [2][10]. Group 1: Awareness and Education - Citizens are encouraged to understand the transmission routes and symptoms of mosquito-borne diseases such as dengue fever and chikungunya, enhancing self-protection awareness [3][11]. - The initiative emphasizes the importance of educating family, neighbors, and colleagues about mosquito prevention, especially for vulnerable groups like the elderly, children, and pregnant women [3][10]. Group 2: Source Control - Households are advised to conduct sanitation checks every 5-7 days, covering all areas including yards, balconies, and kitchens, to eliminate potential mosquito breeding sites [5][6]. - Communities and organizations are encouraged to designate specific times weekly for collective environmental sanitation efforts to reduce mosquito habitats [5][6]. Group 3: Personal Protection - Recommendations include installing screens on windows and doors, using insecticides, and wearing light-colored long-sleeved clothing during outdoor activities to minimize mosquito bites [7][8]. - Citizens are urged to carry and properly use repellents when outdoors, particularly during peak mosquito activity times [7][8]. Group 4: Health Monitoring - Travelers are advised to check health advisories for their destinations regarding outbreaks of mosquito-borne diseases and to choose accommodations with mosquito screens [9][10]. - Upon returning, individuals experiencing symptoms such as fever or rash are encouraged to seek medical attention promptly and inform healthcare providers of their travel history [10].
让人“蚊”风丧胆的基孔肯雅热可怕在哪?
Yang Shi Wang· 2025-07-30 04:26
Core Points - The Chikungunya virus outbreak in Guangdong Province, specifically in Shunde District, has seen a rapid increase in local cases, with a total of 4,824 reported cases as of July 26, 2025, marking a ninefold increase in just 12 days [1][2][4]. Group 1: Disease Overview - Chikungunya, derived from the Makonde language meaning "bent posture," is characterized by severe joint pain that causes patients to bend over [1]. - The virus is primarily transmitted through bites from Aedes mosquitoes, particularly the Asian tiger mosquito and the yellow fever mosquito, and is spreading rapidly due to climate change and international travel [10][11]. Group 2: Comparison with Dengue Fever - Chikungunya is caused by the Chikungunya virus, while dengue fever is caused by the dengue virus, which has four serotypes. The incubation period for Chikungunya is typically 1-12 days, while for dengue, it is 1-14 days [9]. - Immunity after infection with Chikungunya is long-lasting, whereas dengue immunity is only specific to the serotype that caused the initial infection [9]. Group 3: Symptoms and Aftereffects - Common symptoms of Chikungunya include high fever, severe joint pain, and rash, with joint pain potentially lasting for weeks to months, and in some cases, even years [10][16]. - A study indicated that approximately 20-30% of infected individuals may experience joint pain symptoms, with some suffering from long-term effects such as decreased labor capacity and joint mobility issues [16]
蚊媒传染病怎么防?——国家疾控局解答热点关切
Xin Hua She· 2025-07-30 01:39
Core Viewpoint - The article addresses the recent emergence of mosquito-borne diseases in southern cities of China, particularly focusing on the prevention and control measures recommended by the National Center for Disease Control and Prevention [1] Group 1: Understanding Mosquito-Borne Diseases - Mosquito-borne diseases are defined as illnesses transmitted through mosquito bites, with dengue fever, chikungunya, and Zika virus being the three common viral diseases globally [2] - These diseases are primarily spread by Aedes aegypti and Aedes albopictus mosquitoes and are not transmitted through casual contact or respiratory routes [3] Group 2: Treatment and Vaccination - Currently, there are no vaccines or specific medications available for these three diseases in China, and treatment mainly involves supportive care and mosquito isolation [4] - For chikungunya, rest, fluid intake, and over-the-counter pain relievers like acetaminophen can alleviate symptoms, while aspirin and other non-steroidal anti-inflammatory drugs should be avoided until dengue fever is ruled out [4] Group 3: Personal Prevention Measures - Individuals are advised to create a "mosquito-free space" by wearing light-colored long-sleeve clothing and using mosquito repellent containing DEET or other active ingredients during outdoor activities [5] - Accommodation should be chosen with mosquito-proof measures, and symptoms like fever or joint pain should prompt immediate medical consultation [5] Group 4: Travel Precautions - Travelers are encouraged to research mosquito-borne disease risks at their destinations and prepare adequate protective supplies, including mosquito repellent and light clothing [6][8] - Post-travel, individuals should continue to monitor their health for two weeks and seek medical attention if symptoms arise [9] Group 5: Community Cooperation in Epidemic Situations - The public is urged to assist in community efforts to eliminate mosquito breeding sites by cleaning up stagnant water and maintaining hygiene [10] - Emphasis is placed on the importance of cutting the "human-mosquito-human" transmission chain, especially during the active summer mosquito season [11]