The Flu Jab: What it is, and Who Should Get One"
As winter approaches and the cold weather closes in, cases of influenza (the flu) typically rise, putting people at greater risk of the disease. While some lucky people get away with milder symptoms, the flu is far more than a nasty cold. For certain people, the symptoms can be severe or even life-threatening.
However, the good news is that there is something you can do to protect yourself and others during the flu season: get the flu vaccine.
How Does the Vaccine Work"
Time for a quick biology lesson!
The first thing your body does when it gets infected is to try to get rid of it before it becomes a problem. It can try and flush it out ? which is why you get a runny nose if you get a cold or get sick if you have a stomach bug. You might get a temperature, too, making it more difficult for infections to survive. The next thing that happens is your white blood cells spring into action. They track down the bug (known as an antigen) and engulf it, so it?s inside the white blood cell. They they release chemicals that destroy it.
The last thing your body does is to make a record of the thing that infected you. It does this by creating antibodies ? proteins that fight the antigens by attaching themselves to molecules on the antigen the next time they encounter it, binding and neutralising it, and acting like a beacon, calling your white blood cells to destroy it.
The flu vaccine works by giving you a shot that contains an inactive piece of the virus, often just a specific ...
Fuente de la noticia:
hellomissniki
URL de la Fuente:
http://www.hellomissniki.com/
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