广州流行的传染病介绍
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In Guangzhou, several infectious diseases are prevalent. The common ones include dengue fever, influenza, and norovirus - related gastroenteritis. Here's a detailed look:
- Dengue Fever:
- Causes: It is caused by the dengue virus, which is transmitted by Aedes mosquitoes. These mosquitoes are active during the day, especially in the early morning and late afternoon.
- Symptoms: Patients usually experience sudden high fever, often reaching 40°C within 24 hours, accompanied by severe headaches, pain behind the eyes, joint and muscle aches, fatigue, and a rash that may appear around the third to sixth day of illness. There can also be bleeding manifestations such as nosebleeds, gum bleeding, or petechiae.
- Influenza:
- Virus Types: Common influenza viruses include influenza A (such as H1N1, H3N2 subtypes) and influenza B. Influenza A viruses, especially certain subtypes like H1N1, can be highly contagious and cause more severe symptoms.
- Transmission and Symptoms: It spreads mainly through respiratory droplets. Symptoms include rapid - onset high fever, cough, sore throat, runny or stuffy nose, body aches, headache, fatigue, and in some cases, vomiting and diarrhea, especially in children.
- Norovirus Gastroenteritis:
- Transmission Route: Norovirus is a common cause of acute gastroenteritis. It spreads easily through contaminated food and water, as well as person - to - person contact. In crowded places like schools or dormitories, it can quickly lead to outbreaks.
- Symptoms: Affected individuals often experience sudden onset of nausea, vomiting, diarrhea, abdominal pain, and may also have low - grade fever, headache, and muscle aches.
It's important to note that the prevalence of these infectious diseases can change with seasons and other factors. Staying informed about preventive measures such as mosquito control for dengue, getting flu vaccinations for influenza, and maintaining good hand and food hygiene for norovirus can significantly reduce the risk of infection.
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