Core Viewpoint - The influenza virus is expected to be the main pathogen for acute respiratory infectious diseases in China during the winter and spring seasons [1][2] Group 1: Current Situation - The overall flu activity level in China has significantly increased, with a higher prevalence in southern regions compared to northern regions [1] - Acute respiratory infectious diseases are on the rise, with influenza virus, rhinovirus, and respiratory syncytial virus identified as the main pathogens [1] Group 2: Public Health Recommendations - The winter and spring seasons are high-risk periods for acute respiratory infectious diseases, and the public is advised to maintain good hygiene practices such as wearing masks, frequent handwashing, and ensuring proper ventilation [1] - Vaccination is highlighted as the most effective and economical means of preventing infectious diseases, and individuals who have not yet received the flu vaccine are encouraged to do so promptly [2]

Core Points - The overall flu activity level in China is rising, with southern regions experiencing higher levels than northern regions [1] - The flu virus is expected to be the main pathogen for acute respiratory infectious diseases this winter and spring [1] - Multiple acute respiratory pathogens are also at risk of spreading alongside the flu [1] Summary by Category Flu Activity - The National Health Commission announced that the flu season has officially begun across the country, with a noticeable increase in flu activity [1] - The flu virus, rhinovirus, and respiratory syncytial virus are identified as the main pathogens for acute respiratory infections [1] Public Health Recommendations - The public is advised to maintain good hygiene practices, such as wearing masks, frequent handwashing, and ensuring proper ventilation [1] - Vaccination is emphasized as the most effective and economical means of preventing infectious diseases, with a recommendation for eligible individuals to get vaccinated against the flu as activity levels rise [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 emphasizes the importance of preventive measures against various infectious diseases, including Chikungunya, Dengue fever, acute respiratory infections, Hand, Foot, and Mouth Disease (HFMD), Norovirus gastroenteritis, and Monkeypox, especially after the National Day and Mid-Autumn Festival holidays. Group 1: Mosquito-borne Diseases (Chikungunya and Dengue Fever) - Chikungunya is an acute infectious disease caused by the Chikungunya virus, primarily transmitted by Aedes mosquitoes, with symptoms including fever, rash, and joint pain [1] - 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 [1] - Key preventive measures include avoiding mosquito bites, using mosquito repellent, and eliminating mosquito breeding sites by clearing standing water [2][2] Group 2: Acute Respiratory Infections - Various pathogens cause acute respiratory infections, with recent monitoring showing high positivity rates for rhinovirus and respiratory syncytial virus [4] - Preventive measures include maintaining good hygiene, wearing masks in crowded places, and timely medical consultation for respiratory symptoms [5] Group 3: Hand, Foot, and Mouth Disease (HFMD) - HFMD is a common infectious disease in children, primarily affecting those under five years old, with transmission through the digestive and respiratory tracts [6] - Preventive measures include maintaining hygiene, regular cleaning of toys, and avoiding contact with infected children [7][8] Group 4: Norovirus Gastroenteritis - Norovirus gastroenteritis can occur year-round, with a peak from October to March, often in schools and travel groups [10] - Preventive measures include frequent handwashing, ensuring food and water safety, and disinfecting contaminated surfaces [12] Group 5: Monkeypox - Monkeypox is an acute infectious disease characterized by fever, rash, and lymphadenopathy, primarily transmitted through direct contact with infected individuals [13] - Preventive measures include enhancing self-protection awareness, avoiding close contact with suspected cases, and adhering to entry and exit regulations [14][15][17]