Group 1 - The Guangdong Provincial Center for Disease Control reported 868 new local cases of Chikungunya fever from October 19 to October 25, with no severe cases or deaths reported [1] - The distribution of cases includes 199 in Jiangmen, 130 in Foshan, 124 in Guangzhou, and 102 in Shenzhen, among others [1] - The epidemic is showing a fluctuating downward trend, with Jiangmen City lifting its Level III public health emergency response on October 25 [1] Group 2 - The primary vector for Chikungunya fever, Aedes mosquitoes, prefers to breed in small clean water bodies, making the elimination of stagnant water crucial for controlling the outbreak [2] - Public health authorities are urging citizens to participate in mosquito control efforts, including cleaning up stagnant water and using mosquito repellent [2] - The "1130" mosquito control initiative encourages individuals to spend one minute daily clearing stagnant water, conduct a weekly thorough cleaning, and check breeding sites for three minutes each day [2]

Core Insights - The city of Jiangmen has achieved a significant reduction in daily reported cases of Chikungunya fever, with numbers dropping to around 50 cases per day, indicating a phase of low-level epidemic spread [1] - The Guangdong Provincial Center for Disease Control and Prevention reported a total of 2,086 new local cases of Chikungunya fever from October 12 to October 18, with Jiangmen accounting for 795 cases, the highest in the province [1][2] Summary by Sections Epidemic Status - Jiangmen has successfully reached a stage of low-level epidemic spread, with daily new cases around 50 [1] - The total number of new local cases in Guangdong province was 2,086, with Jiangmen being the most affected city [1] Public Health Measures - The city is actively implementing mosquito control measures to combat the spread of Chikungunya fever [2][3] - The ongoing risk of transmission remains due to the active mosquito season and recent public holidays that increased population movement [2] Prevention Recommendations - Individuals are advised to take personal protective measures, such as wearing light-colored long sleeves and using mosquito repellent [3] - The primary prevention strategies include eliminating standing water, mosquito control, and avoiding mosquito bites [3]

Core Insights - The French Public Health Agency reported a total of 729 locally transmitted cases of Chikungunya fever from May 1 to October 13, 2023, across 78 outbreak areas [1] - The cases are primarily concentrated in the warmer southern regions of France, including Provence-Alpes-Côte d'Azur and Corsica, with new outbreaks emerging in the northeastern regions [1] - The increase in outbreak areas is attributed to the adaptability of the virus strain to the Aedes albopictus mosquito and favorable environmental conditions for mosquito breeding [1] Summary by Sections - **Case Distribution** - 729 cases reported in 78 outbreak areas [1] - Cases mainly in southern France, with new occurrences in northeastern regions [1] - **Environmental Factors** - The adaptability of the virus to the Aedes albopictus mosquito is a key factor in the spread [1] - By early 2025, 81 out of 96 provinces in France are expected to have traces of the Aedes albopictus mosquito [1] - **Public Health Risk** - Active outbreaks in southern tourist areas pose a high risk for secondary outbreaks in other regions [1] - **Symptoms and Recovery** - Chikungunya fever is transmitted primarily 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, but joint pain may persist longer [1]

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]

Core Viewpoint - The article discusses the recent surge in Chikungunya fever cases in Guangdong, China, highlighting the significant increase in reported cases and the government's response to control the outbreak [3][4]. Summary by Sections Recent Developments - Over the past four weeks, Guangdong province has reported over 10,000 new cases of Chikungunya fever, marking an 11.7-fold increase compared to the previous four weeks [3][4]. - The latest report from the Guangdong Provincial Center for Disease Control indicates that from October 5 to October 11, there were 2,257 new local cases, with no severe cases or deaths reported [3]. Case Distribution - The majority of new cases (80.8%, or 8,900 cases) originated from Jiangmen city, which saw a dramatic rise in cases starting mid-September [4]. - Other cities such as Guangzhou, Shenzhen, and Dongguan also experienced increases in new cases, with Guangzhou rising from 47 to 201 cases and Shenzhen from 12 to 109 cases over the same period [5]. Government Response - Local authorities in cities like Zhuhai and Jiangmen have implemented public health emergency responses and are focusing on mosquito control measures to prevent further spread [4][6]. - The government emphasizes the importance of collaboration with neighboring cities and regions to enhance the effectiveness of the control measures [5]. Ongoing Risks - Despite the implementation of control measures, the risk of Chikungunya fever spreading remains high due to the active mosquito season and recent public holidays that led to increased human movement [6][7]. - Experts warn that the situation requires continuous monitoring and proactive measures to mitigate the risk of further outbreaks [6].

Core Points - The risk of the spread of Chikungunya fever in Guangdong Province remains high, with over 10,000 new cases reported in the past four weeks, marking an 11.7 times increase compared to the previous four weeks [1][2] - The majority of new cases (80.8% or 8,900 cases) are concentrated in Jiangmen City, which has seen a significant rise in cases since mid-September [2] - Local governments are implementing strict public health measures and enhancing cooperation with neighboring cities to improve epidemic prevention efforts [2][3] Summary by Sections Current Situation - Guangdong Province reported 2,257 new local cases of Chikungunya fever from October 5 to October 11, with no severe cases or deaths reported [1] - The total number of new cases in the last four weeks reached 11,017, compared to 940 in the previous four weeks [1] Regional Focus - Jiangmen City has been the epicenter, with a drastic increase in cases leading to the activation of a Level III public health emergency response on September 20 [2] - Other cities like Guangzhou, Shenzhen, and Dongguan also reported rising case numbers, indicating a broader regional issue [2] Government Response - Local officials are actively coordinating efforts to control the outbreak, with specific measures to eliminate mosquito breeding grounds and enhance public health protocols [3][4] - The Guangdong Provincial CDC emphasizes the need for continued vigilance due to the ongoing risk of transmission, especially following the recent holiday period [4] Disease Characteristics - Chikungunya fever is transmitted by Aedes mosquitoes and presents symptoms such as fever, joint pain, and rash, with a typical incubation period of 1 to 12 days [4]

Core Points - Guangdong Province reported 2,426 new local cases of Chikungunya fever from September 14 to September 20, 2025, with no severe cases or deaths reported [1] - The outbreak is concentrated in Jiangmen with 2,238 cases, followed by Foshan (81), Guangzhou (47), and other cities [1] - The provincial health authority has activated a Level III public health emergency response due to a rebound in cases, emphasizing the need for ongoing prevention efforts [1][2] Summary by Category Outbreak Details - A total of 2,426 new cases of Chikungunya fever were reported in Guangdong Province during the specified period [1] - The distribution of cases includes Jiangmen (2,238), Foshan (81), Guangzhou (47), and several other cities with lower case counts [1] Public Health Response - The health authority has initiated a Level III public health emergency response in Jiangmen to combat the rising cases [1][2] - Ongoing efforts are required as the period from September to October is characterized by increased mosquito activity, compounded by weather factors such as typhoons and rainfall [1] Prevention Measures - Key prevention strategies include eliminating standing water, mosquito control, and personal protection against bites [2] - Citizens are encouraged to participate in public health initiatives, such as the "1130" mosquito control action plan, which involves regular checks for standing water and cleaning efforts [2]

Core Insights - Guangdong Province reported 225 new local cases of Chikungunya fever from August 24 to August 30, 2025, with no severe cases or deaths reported [1] Summary by Categories Case Distribution - The cases were distributed as follows: Foshan 119 cases, Guangzhou 49 cases, Shenzhen 16 cases, Zhanjiang 14 cases, Chaozhou 5 cases, Zhongshan 4 cases, Zhuhai and Shantou each with 3 cases, and Jiangmen, Qingyuan, Dongguan each with 2 cases. Additionally, Shaoguan, Zhaoqing, Huizhou, Meizhou, Shanwei, and Yunfu each reported 1 case [1]

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 Points - The Guangdong Foshan Health Bureau reported 25 new confirmed cases of Chikungunya fever on August 24, 2025 [1] - The cases are distributed across different districts: 9 in Chancheng District, 8 in Nanhai District, 6 in Shunde District, 1 in Highming District, and 1 in Sanshui District [1] Summary by Category - **Health Impact** - The increase in confirmed cases indicates a potential public health concern in Foshan [1] - **Geographical Distribution** - The confirmed cases are spread across five districts, highlighting the widespread nature of the outbreak within the city [1]