諾如病毒是一種高度傳染性的病毒，主要引起腸胃炎，導致嘔吐、腹瀉、腹痛和噁心等症狀。這種病毒通常通過接觸被感染者的糞便或嘔吐物、食用被污染的食物或水、以及與感染者密切接觸而傳播。
諾如病毒的特點包括：
1. *快速傳播*：在封閉環境（如學校、醫院和郵輪）中容易快速擴散。
2. *症狀短暫*：通常在感染後12到48小時出現症狀，並在1到3天內自我緩解。
3. *預防*：保持良好的衛生習慣，如勤洗手、避免食用可疑食物和水源。
雖然大多數人能夠在幾天內完全康復，但對於某些高風險群體（如老年人和免疫力低下的人），可能會導致更嚴重的健康問題。
如果你想知道更多有關於病毒和細菌的資訊 可以加入Alumni G生物和化學的課程
Norovirus is a highly contagious virus that primarily causes gastroenteritis, leading to symptoms such as vomiting, diarrhea, abdominal pain, and nausea. This virus is typically spread through contact with the feces or vomit of an infected person, consuming contaminated food or water, and close contact with infected individuals.
Characteristics of norovirus include:
1. *Rapid Spread*: It can easily spread in closed environments, such as schools, hospitals, and cruise ships.
2. *Short-lived Symptoms*: Symptoms usually appear 12 to 48 hours after infection and generally resolve on their own within 1 to 3 days.
3. *Prevention*: Maintaining good hygiene practices, such as frequent handwashing and avoiding questionable food and water sources.
While most people can fully recover within a few days, it can lead to more severe health issues for certain high-risk groups, such as the elderly and those with weakened immune systems.
If you want to learn more about viruses and bacteria, you can join the Alumni G biology and chemistry courses.
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