Rhinovirus is the most common cause of the common cold, accounting for approximately 30%–50% of all cold cases. It spreads primarily through respiratory droplets or by touching contaminated surfaces and then transferring the virus to the nose or mouth. Symptoms of the common cold are usually mild and include runny nose, sneezing, sore throat, mild cough, and low-grade fever, typically resolving within a week.In contrast, influenza (the flu) is caused by influenza viruses (such as influenza A or B). Flu symptoms are more severe and come on suddenly, often featuring high fever, body aches, fatigue, headache, and dry cough. Influenza can lead to serious complications like pneumonia, especially in older adults, young children, and those with weakened immune systems.Although the common cold caused by rhinovirus and influenza may share some initial symptoms, they differ significantly in terms of causative agents, severity, duration, and potential complications. The common cold rarely leads to serious health issues, whereas influenza may require antiviral treatment or hospitalization. Additionally, effective vaccines exist for influenza, but none are currently available for rhinovirus. Therefore, frequent handwashing, avoiding close contact with infected individuals, and maintaining good hygiene remain the best shared preventive measures against both illnesses.
鼻病毒（Rhinovirus）是引起普通感冒最常见的病原体，约占所有感冒病例的30%–50%。它主要通过飞沫传播或接触被污染的物体表面后经手传入口鼻。普通感冒症状通常较轻，包括流鼻涕、打喷嚏、喉咙痛、轻微咳嗽和低烧，一般在一周内自愈。相比之下，流感（Influenza）由流感病毒（如甲型或乙型流感病毒）引起，症状更严重且起病更急，常表现为高烧、全身酸痛、乏力、头痛、干咳等，可能引发肺炎等并发症，尤其对老人、儿童和免疫力低下者风险较高。虽然鼻病毒引起的普通感冒与流感在初期症状上可能相似，但两者在致病病毒、病情严重程度、病程长短及潜在并发症方面存在明显差异。普通感冒极少导致严重后果，而流感则可能需要抗病毒药物治疗甚至住院。此外，目前有针对流感的疫苗，但尚无针对鼻病毒的有效疫苗。因此，勤洗手、避免接触感染者、保持良好卫生习惯，是预防普通感冒和流感的共同有效手段。
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