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]