Core Insights - Acute gastroenteritis is a common health issue during summer, often caused by foodborne bacteria due to high temperatures and poor food storage practices [1][2] - Symptoms of acute gastroenteritis can vary based on the cause and individual health, with common symptoms including nausea, vomiting, diarrhea, and abdominal pain [1][2] - The elderly are particularly vulnerable to foodborne diseases, with a peak incidence in August, often due to the consumption of leftover food [2] Group 1 - High temperatures and humidity create favorable conditions for the rapid proliferation of bacteria and viruses, leading to increased cases of gastroenteritis [2][3] - Common infectious agents include bacterial dysentery, Salmonella, norovirus, and rotavirus, especially affecting children [2][3] - Severe cases may lead to dehydration, shock, or sepsis, necessitating immediate medical attention [2][3] Group 2 - Prevention strategies include maintaining good dietary habits, personal hygiene, and environmental cleanliness to reduce the risk of gastroenteritis [3] - Recommendations include washing hands before meals, avoiding overeating and cold foods, and not consuming stale food [3] - Engaging in physical exercise, ensuring adequate sleep, and managing stress can enhance immunity and reduce the likelihood of gastroenteritis [3]

Group 1 - The core issue of summer diarrhea is its increased incidence, with a 30% higher consultation rate compared to other seasons, primarily due to infectious causes [1][2] - Infectious diarrhea is mainly caused by pathogens such as bacteria, viruses, and parasites, while non-infectious diarrhea is related to functional issues [2][3] - High temperatures contribute to the risk of diarrhea through factors like food spoilage, excessive consumption of cold foods, improper air conditioning use, and decreased immunity [5] Group 2 - Symptoms of diarrhea vary by cause: bacterial diarrhea often presents with severe abdominal pain and may include fever, while viral diarrhea, such as that caused by norovirus, typically features watery stools and vomiting [7][8] - Functional diarrhea can be triggered by emotional stress or consumption of cold foods, often alleviating after bowel movements [9][12] - Specific conditions warrant medical attention, such as diarrhea lasting over 48 hours with severe symptoms like persistent watery stools, vomiting, and fever [10][11] Group 3 - Misconceptions about diarrhea prevention methods are prevalent, such as the belief that probiotics and vitamin C can prevent diarrhea, which is incorrect [16] - The idea that reheating leftover food makes it safe to eat is also misleading, as some toxins may remain even after cooking [18]