登革热是由登革病毒引发的急性传染病，主要通过蚊媒传播，多在热带和亚热带地区流行，典型症状包 括持续发热、头痛、肌肉痛、关节痛等，严重时可致死。（总台记者 姚瑞昕） 当地时间11月5日，孟加拉国卫生服务总局发布的数据显示，截至当天上午八时，在过去24小时，该国 新增10例登革热死亡病例，今年以来该国登革热累计死亡病例达302例。数据显示，今年以来孟加拉国 累计确诊登革热病例达74992例。 ...

Core Viewpoint - The article emphasizes the need to monitor various infectious diseases, including Chikungunya, Dengue fever, acute respiratory infections, Hand, Foot, and Mouth Disease (HFMD), Norovirus gastroenteritis, and Monkeypox, following the National Day and Mid-Autumn Festival holidays in October 2025 [1] Group 1: Mosquito-borne Diseases - Chikungunya is an acute infectious disease caused by the Chikungunya virus, primarily transmitted by Aedes mosquitoes, with symptoms including fever, rash, and joint pain [2] - Dengue fever is caused by the Dengue virus, also transmitted by Aedes mosquitoes, presenting symptoms such as fever, fatigue, loss of appetite, nausea, severe headaches, and muscle and joint pain [2] Group 2: Preventive Measures for Mosquito-borne Diseases - Key preventive measures include avoiding mosquito bites by using mosquito repellent, wearing long sleeves and pants, and using mosquito nets in areas with Aedes mosquitoes [3] - Eliminating mosquito breeding sites by regularly cleaning and removing standing water, and using insecticides indoors [3] - Increasing self-awareness regarding health status and seeking medical attention if symptoms like fever and joint pain occur after potential exposure [3] Group 3: Acute Respiratory Infections - Acute respiratory infections can be caused by various pathogens, including Mycoplasma pneumoniae, rhinoviruses, and coronaviruses, with recent monitoring showing high positivity rates for rhinoviruses and respiratory syncytial viruses [4] Group 4: Preventive Measures for Acute Respiratory Infections - Maintaining good hygiene practices, such as covering the mouth and nose when coughing or sneezing, frequent handwashing, and a balanced diet [5] - Seeking medical attention promptly if experiencing fever and respiratory symptoms, and wearing masks in crowded or enclosed spaces [5] - Vulnerable populations, including pregnant women and the elderly, should actively receive vaccinations as per guidelines [5] Group 5: Hand, Foot, and Mouth Disease (HFMD) - HFMD is a common infectious disease in children caused by various enteroviruses, with outbreaks typically occurring in spring-summer and autumn [6] - The disease spreads through the digestive and respiratory tracts, with symptoms including fever and rashes on hands, mouth, and feet [6] Group 6: Preventive Measures for HFMD - Good hygiene practices, regular cleaning and disinfection of toys and frequently touched surfaces, and avoiding contact with infected children are crucial [8] - Vaccination against EV-A71 can effectively prevent severe cases of HFMD, recommended for children over six months old [9] Group 7: Norovirus Gastroenteritis - Norovirus gastroenteritis can occur year-round, with a peak from October to March, often in schools and travel groups, spreading through contaminated food and water [10] Group 8: Preventive Measures for Norovirus - Emphasizing hand hygiene, safe food and water consumption, and proper disinfection of contaminated surfaces are essential preventive measures [11] Group 9: Monkeypox - Monkeypox is an acute infectious disease caused by the monkeypox virus, with symptoms including fever, rash, and swollen lymph nodes, primarily transmitted through direct contact with infected individuals [12] Group 10: Preventive Measures for Monkeypox - Awareness of monkeypox prevention, maintaining good hygiene, and avoiding close contact with suspected cases are critical [13][14]

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]

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].

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]

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]

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]

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].

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].

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].