一校2087人感染！国家卫健委发声

Core Viewpoint - The article highlights the recent outbreak of Norovirus in Shenyang, which has led to over 2,000 infections, emphasizing the need for effective prevention and treatment strategies as the virus enters its peak season from September to March each year [3][4]. Summary by Sections Norovirus Overview - Norovirus is a highly contagious virus that causes acute gastroenteritis, classified as a Category B infectious disease in China, with significant public health implications [5]. - In August, Norovirus contributed to 144,550 reported cases of infectious diarrhea nationwide, ranking second only to COVID-19 among reportable infectious diseases [5]. Infection and Transmission - The virus is primarily transmitted via the fecal-oral route, with close contact with infected individuals or contaminated environments being key transmission pathways [6]. - Infected individuals can shed the virus for 2-3 weeks, with immunocompromised individuals potentially shedding for months [6]. Treatment and Management - There is currently no effective antiviral treatment or preventive vaccine for Norovirus; management focuses on symptomatic relief and hydration [6][7]. - Mild cases can be managed at home, while severe cases, especially in vulnerable populations, should seek medical attention [7]. Diagnostic Guidelines - The guidelines stress the importance of differentiating Norovirus from other gastrointestinal infections and highlight the need for proper isolation and infection control measures in healthcare settings [7].