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What is Flu and why to take the Flu (Influenza) vaccine?

What is Flu and why to take Flu (Influenza) vaccine?

Influenza commonly called as Flu is a viral respiratory illness, it is defined as “an infection of the nose, throat, and lungs, which are part of the respiratory system. It is very contagious. It can affect anyone regardless of age, gender and health status. Discover why the flu Vaccination is not just a shot but a shield against a potentially harmful and disruptive illness.

In 2022, worldwide over 400,000 people died from Pneumonia and upper respiratory complications as a result of contracting Influenza (the Flu). 

Signs and Symptoms of Flu:

  • Fever* or feeling feverish/chills (*Everyone that contracts the Flu will experience a fever)
  • Cough
  • Sore throat
  • Muscle, body aches or headaches
  • Fatigue (tiredness)

Some people may have vomiting and diarrhea, though this is more common in children than adults.

What are the complications?

Flu can be serious and can cause different complications. Complications of the flu can range from mild to severe and can affect various parts of the body. Some common flu complications include:


This is one of the most serious complications of the flu. It can be caused by the flu virus itself or by secondary bacterial infections. Pneumonia can result in hospitalization and, in severe cases, can be life-threatening.


Inflammation of the bronchial (breathing) tubes can lead to bronchitis. It can cause coughing, chest discomfort, and difficulty breathing.

Sinus Infections:

The flu can lead to sinusitis, causing symptoms like facial pain, headache, and a stuffy or runny nose.

Ear Infections:

Ear infections, particularly in children, can occur as a result of the flu.

Worsening of Chronic Medical Conditions:

In individuals with pre-existing health conditions like asthma or heart disease, the flu can exacerbate these conditions, leading to hospitalization.


Inflammation of the heart muscle, known as myocarditis, can occur in rare cases.

Neurological Complications:

While rare, the flu can lead to neurological complications such as encephalitis or meningitis.

Muscle or Rhabdomyolysis:

Severe muscle pain and damage to muscle tissue, known as rhabdomyolysis, can rarely occur with the flu.


In severe cases, especially among high-risk individuals, the flu can be fatal.

Who is at higher risk?

Individuals who are at a higher risk of experiencing complications from the flu include:

  • Elderly: People aged 65 and older have a higher risk of severe flu-related complications. Elevate elderly care at home with Lifenity, providing compassionate support and specialized services for your loved ones’ well-being.
  • Young Children: Children, especially those under 5 years old, are more vulnerable to flu complications.
  • Pregnant Women: Pregnant women are at an increased risk of flu-related complications during pregnancy and in the postpartum period. Experience unparalleled prenatal care in Dubai with our expert guidance.
  • Individuals with Chronic Medical Conditions: Those with chronic health conditions like asthma, diabetes, heart disease, and weakened immune systems are more susceptible to severe flu symptoms.
  • Residents of Long-Term Care Facilities: People living in nursing homes or other long-term care facilities are at a higher risk due to close living quarters.
  • Healthcare Workers: Those working in healthcare settings are at an increased risk due to potential exposure to the virus.

How to Prevent?

The flu vaccine is the most effective way to prevent influenza. It works by activating your immune system to produce antibodies against the specific flu virus strains. When you are exposed to the virus, it will fight to protect your body from getting flu infection and reduce its complications.

What are the Benefits of vaccination?

  • Immunity booster: Even if you come in contact with flu after vaccination, the severity and duration of the illness are often reduced due to immunity developed by antibodies, and you’re less likely to experience complications.
  • Safety Sheild: Flu vaccination will not only protect you but it will work as a safety shield for people around you, especially the elderly, infants, and low-immunity individuals
  • Preventing your Absence: The flu can be a debilitating illness, resulting in your absence from school work place, or family gatherings even for days and weeks. Vaccination helps reduce the risk of illness, ensuring you stay productive and healthy.
  • Reducing Healthcare Burden: During peak flu season (from October to April), healthcare facilities are overly burdened. By getting vaccinated, you can contribute to reducing the toll on healthcare.
  • Annual Protection: Flu vaccination is given yearly with an updated version according to circulating viral strains. That means you need to get vaccinated every year to ensure you’re protected against the most current viruses.

Please don’t wait until flu season peaks and hits you or your loved ones, schedule your  vaccination appointment today and get vaccinated as early as possible

Lifenity International Advanced Polyclinic is an international organization for health care services. Get your vaccination at home for a healthier tomorrow. 

We are providing Flu shots in different regions of Dubai. For any queries and questions regarding the flu vaccine or any other health issues you could connect with us any time, our team is here to help with your home healthcare services.

Take home notes:

A simple flu shot can save many lives and prevent the spread of disease, your decision is crucial for yourself, your surrounding people and your community, to stay protected.


-Statistics (Number of people worldwide that contract the Flu).

-Centre for Disease Control and Prevention-CDC. (Flu symptoms).

Register here for your tests, Now!

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