安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Influenza (flu) - Symptoms and causes - Mayo Clinic
Symptoms The viruses that cause flu spread at high levels during certain times of the year in the Northern and Southern hemispheres These are called flu seasons In North America, flu season usually runs between October and May Symptoms of the flu such as a sore throat and a runny or stuffy nose are common
- Influenza (seasonal) - World Health Organization (WHO)
WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response
- Flu symptoms: Should I see my doctor? - Mayo Clinic
See a healthcare professional if you are at high risk for complications from flu
- Influenza (gripe) - Síntomas y causas - Mayo Clinic
Obtén más información sobre los síntomas, las causas y la prevención de esta infección vírica potencialmente mortal que ataca al sistema respiratorio
- Seasonal influenza - Global situation - World Health Organization (WHO)
Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round It can cause illness ranging from mild to severe, sometimes resulting in hospitalization or death Seasonal influenza activity has increased globally in recent months, with an increased proportion of seasonal influenza A(H3N2) viruses being detected This
- Influenza - World Health Organization (WHO)
Symptoms Influenza is characterized by a sudden onset of high fever, cough, headache, muscle and joint pain, malaise, and a runny nose lasting 2 to 7 days Influenza is usually mild and uncomplicated and most people recover without medical treatment
- Influenza (seasonal) - World Health Organization (WHO)
Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world It is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose The cough can be severe and can last two or more weeks
- Influenza (seasonal) WPRO
Influenza (flu) is a respiratory illness caused by influenza viruses that spreads easily through close contact with an infected person The virus can be passed on from an infected person’s mouth or nose in droplets when they speak, cough and sneeze
|
|
|