Influenza (Flu): Symptoms & Causes - LIVE HEALTHY


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July 3, 2020

Influenza (Flu): Symptoms & Causes

Influenza is a disease due to influenza virus infection. The method of transmission is through bacteria. Air transmission is one of the main ways. Although the initial clinical manifestations of influenza viruses are no different from other viruses, mutations are prone to occur, so immunity from past infections cannot be sustained.

Influenza (Flu): Symptoms & Causes

Various types of influenza viruses are identified based on their different types of H and N., But this is just a relatively simple method. To finely shape, it is still necessary to break down the composition of its ribonucleic acid (RNA). Influenza is classified into types A, B, and C, with type A being the most prevalent and the most harmful.

Contact with a patient or inhalation of viruses floating in the air may cause avian influenza. Because the avian flu virus must enter the cell to reproduce, and its surface structure can only pass through the cell walls of several types of animals, the avian virus has no precedent for infecting humans. The virus of avian flu that was circulating in Hong Kong years ago is likely to be a kind of New varieties.


Influenza can cause fever, cough, sore throat, runny nose, general bone pain, and muscle pain, which are common symptoms of upper respiratory tract infections. Some viruses can infect the stomach and intestines, causing vomiting, abdominal pain, and diarrhea. Severe conditions can also cause viral pneumonia or pathogenic pneumonia due to infection with bacteria.

Influenza (Flu): Symptoms & Causes

The symptoms caused by avian influenza infection are roughly the same as those of other influenzas. Severe or even fatal complications, such as viral infections that swell the bronchi and increase the air resistance into the lungs, making breathing difficult. Small breathing passages in children, swelling, and secretions can have serious consequences.


Prevention of influenza can be achieved by taking preventive medicines and reducing the chance of exposure to the virus. For those who have a high probability of exposure to the virus, they must strictly abide by the disinfection procedures or they can first use drugs to increase resistance to reduce the chance of virus reproduction. 

Amantadine prevents influenza a virus from entering the cell, thereby decreasing the severity of the disease. For bird flu, avoid contact with live birds, and wash or wash hands with soap immediately after touching or handling live poultry. Besides, treat the intestines and fresh meat or poultry separately and cook them thoroughly. Do not eat the red bone marrow inside the poultry bones. Maintain a balanced drink, slight exercising, and adequate sleep to decorate resistance.


The treatment of avian flu can be achieved through flu vaccination. The current flu vaccine contains three types that kill common flu viruses. Influenza A and B have 80% effectiveness in a few months to a year, but people who have been vaccinated against influenza do not become resistant until two weeks.

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