What are the symptoms of influenza A and what are the symptoms of influenza A?

The symptoms of the swine flu virus are similar to those of the common epidemic**, but the severity is very different. Fever of 38 degrees or higher, cough, headache, joint pain, nasal congestion, malaise and loss of appetite are common. Some people infected with the virus also experience symptoms such as runny nose, sore throat, nausea, vomiting and diarrhea.

In some previously identified cases, swine flu has also caused pneumonia, respiratory failure, and chronic deterioration of health. Some patients do not experience any discomfort, while others are fatal.

You analyze it again according to the following instructions:

1. Those who have been to the epidemic area, or have a history of close contact with sick pigs and influenza patients, and have clinical manifestations of influenza within 1 week, are suspicious. Of course, if there is no clear medical history, the possibility of disease cannot be ruled out.

2. If there is no fever, then the diagnosis is generally preliminarily excluded, especially for patients with a body temperature less than 38°. However, fever may not be persistent, and low-grade fever may be rare or even afebrile at all

3. The symptoms are very similar to the common flu (fever, cough, runny nose, headache, sore throat, body aches, vomiting, etc.), and it is impossible to diagnose it based on the symptoms (i.e. your description).

4. Ancillary examinations are conducive to diagnosis: laboratory tests: the total number of white blood cells is generally not high or low.

Most severe patients have a decrease in the total number of white blood cells and lymphocytes, and a decrease in platelets; Chest imaging: patchy images can be seen in the lungs in the presence of pneumonia. In severe cases, there is a wide range of patchy imaging.

Influenza A (H1N1) virus nucleic acid test positive (real-time RT-PCR and RT-PCR can be used).

Isolated to influenza A(H1N1) virus.

Serum influenza A(H1N1) virus has a 4-fold or more elevated level of specific neutralizing antibodies.

If you've been medicated and your symptoms don't show any signs of getting better, you should take it seriously!

Influenza A, also known as influenza A (H1N1), is an acute respiratory infection caused by the H1N1 virus. Its symptoms are similar to those of the common flu, but some of the symptoms are more severe.

The following are the common symptoms of influenza A:

1.Fever: The temperature is usually above 38 and lasts for a long time.

2.Cough: dry cough or accompanied by phlegm.

3.Sneezing, runny nose: Similar to the common cold.

4.Headache and muscle aches: one of the most common symptoms.

5.Fatigue: Patients often feel physically exhausted and have a poor mental state.

6.Sore throat, chest tightness, shortness of breath: these symptoms indicate a more serious condition.

7.Nausea, vomiting, diarrhea: these symptoms occur in about 25% of patients.

It is important to note that some people with influenza A may have milder symptoms or even no obvious symptoms, but they can still be spreaders of the virus. Therefore, if you have recently been exposed to someone who is confirmed to be infected with influenza A, or if you have symptoms, seek medical attention and take precautions. In addition to the symptoms mentioned above, there are a few other symptoms that can occur with influenza A, including:

8.Redness and pain in the eyes: A flu may cause conjunctivitis, which can cause redness and pain in the eye.

9.Sleep problems: Some patients may experience insomnia, drowsiness, or coma.

These symptoms are not present in all patients with influenza A, and those with mild disease may have only mild symptoms, while those with more severe disease may have more severe symptoms. In general, the symptoms of influenza A are similar to those of the common flu, but it is important to note that influenza A spreads quickly, so please pay close attention to your health and take the necessary precautions.