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Flu Virus Explained and How it Spreads (2019)

Flu Virus Explained and How it Spreads (2019)

Influenza, usually recognized as flu, is a severe febrile highly transmissible viral disease that is produced because of the flu virus. You need to get flu treatment and whole rest before the disorder becomes too complex. Flu is a highly contagious respiratory illness which can be spread either by the coughing and sneezing of an infected person or from an infected person if you come in close by contact with them or even trace them.

Flu viruses hit or attack our body by spreading through the respiratory tract. Many of the infected people get better and recover in 1 to 2 weeks, but few people develop serious and critical medical complications like pneumonia. The infected person can spread the flu infection before they are aware of the fact that they are infected. There is no perfect cure for the flu but you can get relief from flu infection with the help of flu treatments. Flu treatment can be obtained with the help of herbal remedies, homoeopathic remedies and natural remedies.

Causes of flu

You may at times wonder about the causes of flu. Flu Infections are usually caused by airborne transmission. To understand details on causes of flu you must first understand the basic flu facts. Knowing about the causes of flu can help you in preventing yourself from getting the flu and its symptoms. So, it’s very important to know about the causes of flu and how they affect you and your loved ones.

Difference Between Flu and Cold:

The flu is very different from a cold. A cold can be caused because of 100 different viruses but flu is caused only by the influenza virus. Later, we will give details of the types of influenza viruses, which is the only cause of this contagious disease.



The flu is spread by inhaling a respiratory droplet from a flu-infected person. The flu virus gets an opportunity to enter into other individuals’ bodies when they breathe in infectious droplets expelled by the infected person while coughing or sneezing.


The flu is spread by indirect contact with a contaminated object. The virus gets on the hands of the uninfected person while touching an object, which was earlier touched by an infected person. The flu virus enters into the body of an uninfected person by touching the eyes, ears, nose, and mouth making him/her ill.


Flu can also be caused by the items infected with respiratory secretions. Influenza virus attacks your respiratory tract that as a result causes soreness and rashes. These viruses frequently change with time. Because of the constant change in viral RNA, it is able to avoid the resistant system in our bodies.

Symptoms of the Flu

Before you go for the flu treatments check the symptoms of flu. Some of the flu symptoms are exactly the same as cold symptoms. Symptoms like stuffy nose, sore throat and cough are found in a cold as well as the flu. Symptoms which are found only in a flu-infected person are:

  • High temperature: Usually 100 F-103 F in adults and at times much higher in children
  • Shivering and sudden onset of chills
  • A severe headache
  • Complete Body pain
  • Fatigue, weakness
  • Nausea, vomiting
  • Diarrhoea

Difference between Cold and Flu

At times symptoms of the flu and the common cold seem similar. Both cold and flu are respiratory tracts viral infections. Symptoms of flu become worse as time passes by. Cold only weakens you slightly but flu can shatter your health and make you tremble with the simple thought of getting out of bed.

When you are affected by common cold you experience congestion, sore throat and sneezing. Symptoms like a headache, coughing and uneasiness in the chest are the same for patients of common cold and flu. In addition to these symptoms, flu patients suffer from high fever, headache, fatigue, and weakness. Like the flu, the common cold is not life-threatening. Good antiviral medications can help you in decreasing cold and flu infections.

Colds and Ways to Overcome the Symptoms of Colds in 2019

Difference between stomach flu and influenza

Stomach flu is gastroenteritis which is very common nowadays. Gastroenteritis is irritation in the stomach and intestines. Stomach flu can be caused by contaminated food and unclean water. Common symptoms of gastroenteritis are the unsettled stomach, stomach pain, nausea, sickness, and diarrhoea.

Influenza symptoms are not at all good and are worse than stomach flu. Flu comes on unexpectedly so you may never know how and when you were infected by the flu virus. Influenza enters our body through our nose and settles itself inside the respiratory tract.

How is flu spread

You can prevent the flu from spreading once you know how it is spread. Flu is highly infectious, so naturally it spreads from one person to another through the air and in crowded place such as malls, movie theaters, marketplaces, school classrooms, college dormitories, military barracks, offices, and nursing homes and in those places where ventilation is not up to the mark or when you come in direct contact with an infected person.

You come in direct contact with the flu virus when you inhale the flu virus along with the air in the atmosphere or when you touch something that was touched earlier by an infected person. In the latter case, you get infected by the virus when you touch your face or head.

To prevent flu from spreading you must keep your hands clean by washing your hands regularly or by using alcohol-based hand sanitizer.

Flu Virus
Minimize the effects of Flu

Who all can have flu complications?

Anyone from a baby to an elderly person can become flu. But people with weak immune systems and those people who are already suffering from chronic diseases such as diabetes, lung disease, heart disease, kidney disease, bronchitis, asthma and AIDS have a maximum risk of flu infections.

Nowadays we have various treatments and remedies available to us that can prevent flu symptoms to an extent. The flu vaccine can prevent certain flu strains. Antiviral medicines and vaccines can help you a lot in reducing the severity of the flu as well as the duration of flu symptoms.

Different type of flu

You can prevent the flu if you are aware of the causes of flu. The types of viruses that cause the flu are divided into three major categories: Influenza A, Influenza B and Influenza C.

Influenza A: this is the most common flu type. This virus affects humans, mammals and birds. Bird flu is a recent entry in this type of virus. Other than bird flu there are Hong Kong Flu, Asian flu, Spanish Flu, and Russian Flu that has already killed millions and millions of people worldwide. Influenza A is responsible for higher death rates every year. The flu vaccine can guard you against type A and B flu. You can discover Influenza in various animals like ducks, chickens, pigs, whales, horses, and seals.

Influenza B: Influenza B affects humans and seals. This is less common and causes milder flu infections.

Influenza C: Influenza C affects humans as well as pigs and is not affected by the flu jab. This virus is more constant and it generally causes milder respiratory tract symptoms.

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