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Flu vaccination: Why getting a flu jab can save your life

Known as influenza, signs of an infection can appear suddenly. Yet, if you’ve been harbouring the virus, you may have spread the flu to others before symptoms begin. What are the signs?

The Centres for Disease Prevention and Control (CDC) stated symptoms of the flu include:

  • Fever
  • Chills
  • Sore throat
  • Runny or stuffy nose
  • Muscle or body aches
  • Headaches
  • Fatigue
  • Vomiting
  • Diarrhoea

Spread via tiny droplets when an infected person coughs, sneezes or talks, the flu is highly contagious.

It’s also possible for somebody to pick up the virus if they touch a contaminated object and then touch their mouth, nose or eyes, as these are entry points for a virus to invade the body.

The onset of symptoms typically appear up to four days following exposure to the virus.

Although it’s possible to spread the flu before symptoms begin, most people are highly infectious in the first four days of their illness.

Some people are at high risk of serious flu-related complications, such as those aged 65 and over, those with asthma, diabetes or heart disease.

The CDC said: “The first and most important step in preventing flu is to get a flu vaccine each year.

READ MORE: Is Pfizer a British company? Where is Pfizer located?

It’s important to note that “flu viruses are constantly changing”, which means flu vaccines are updated from one season to the next.

This is why an annual flu jab is highly recommended for vulnerable people.

In addition, the CDC added that a person’s immune protection from vaccination “declines over time”.

This is another reason as to why at-risk groups are encouraged to get routinely vaccinated.

Can a flu vaccine make me ill?

Some people may be concerned they’re going to become ill as a weakened flu virus is injected in their arm.

This is simply not the case, protests the CDC. “A flu vaccine cannot cause flu illness,” it assured.

Flu vaccines are either made with “inactive” viruses (i.e. killed off) or “with proteins from a flu vaccine virus”.

However, short-term and mild side effects may be felt, such as fatigue or muscle aches.

High-risk groups

Adults with chronic health conditions are at high-risk of serious consequences of a flu infection, testified the CDC.

These include those with chronic kidney disease, cancer, and HIV/AIDS.

Do be wary that the vaccine effectiveness can vary, depending on the “match” between the viruses in the vaccine and those in circulation.

What does this mean?

The CDC clarified “the similarity or ‘match’ between the flu viruses in the vaccine” and those in the community can change from season to season.



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