当前呼吸道合胞病毒检测阳性率呈上升趋势

Core Viewpoint - The overall positive rate of respiratory syncytial virus (RSV) testing in China is on the rise, with significantly higher rates in northern provinces compared to southern ones, particularly among children aged 0 to 4 years, while the overall RSV positive rate remains lower than that of influenza virus [1] Group 1: Virus Characteristics - Respiratory syncytial virus is one of the main pathogens causing acute respiratory infections, with susceptibility across all age groups [1] - The severity of the disease is often greater in infants, children with special health conditions, and the elderly, leading to conditions such as bronchiolitis and pneumonia [1] Group 2: Transmission and Seasonal Trends - RSV primarily spreads through respiratory droplets and close contact, and can also be transmitted indirectly via contaminated surfaces [1] - The peak transmission period for RSV in northern China is during the winter and spring, while some southern regions experience peaks during winter-spring or humid rainy seasons [1] Group 3: Prevention Measures - Currently, there is no vaccine available for respiratory syncytial virus, making enhanced protective measures crucial for preventing infection [1]