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Influenza 2019: How long is it really contagious?

The flu epidemic runs away – and everywhere waves and coughs. Many are already infected with influenza viruses, but they do not know it.

If you get the flu, better keep the bed. Every child knows that. But what do you think appropriate for work or school after a few days? Should I be better at home anyhow, because the risk of infection is still too big? Or is it all over?

Influenza 2018/2019: How do I recognize the flu and how long have I been infected?

Basically, it is important to distinguish between a cold infection and a flu. While the first usually comes slowly, the flu begins suddenly, "out of the blue." Although the symptoms of the flu and those of a common cold are similar, they feel much more violent for the elderly. In both cases, the cause is a viral infection, but by different types. The common signs of influenza are, according to the Robert Koch Institute (RKI):

  • headaches
  • pains in the body
  • high fever
  • irritation of the dry throat
  • chills
  • tired
  • nose clogged or drained

Those who are not spared and, for example, continue to do sports are at risk for the flu to spread to severe pneumonia or to other organs that are attacked. The flu is finally a "serious illness and sometimes of mortal risk," warns the Federal Center for Health Education (BzgA). In addition, it is very contagious, she explains.

The key to this: the sick can already A day before the onset of the flu will be contagious to others and up to a week after the onset of the first symptoms,

Find out how much flu can take for adults and children,

Video: Influenza – When is it too sick to go to work?

How to infect with influenza viruses – and what you can do about it

The reason is the so-called "droplet infection": In the process, coughing, sneezing or speaking of the infected causes, the drops of viruses drop into the air and, finally, those inhaled by those close to them, but even in the doorways or stair railings, the viruses they can appear and transmit in their hands.

Who frozes the eyes or touches the mouth or the nose, where the pathogens can migrate through the mucous membranes of the body. Therefore, regular and complete hand washing is essential to avoid infecting or distributing influenza viruses. The best way to do this is:

  • Wash with soap and water
  • Hold your hands under water for 30 seconds
  • Then dry hands with a clean cloth

The study reveals: Many people infected with influenza do not realize that they are already infected

You should also try to give your strangest hand as much as possible and avoid moving away or coughing people. However, many do not have symptoms, although they are already ill, according to a 2014 study. Researchers led by Andrew Hayward at University College London found that During a flu epidemic, one in five is infected with influenza virusesBut very little people know this, because it only comes with some.

This is usually the case between one and two days after the infectionTherefore, BzgA assumes that flu symptoms tend to last for at least two to five days. In severe cases, it may continue for weeks or months if carried out.

Read too: This helps quickly against the symptoms of the flu.

Also interesting: When is a flu vaccine really useful? And who will pay for it?

Vaccination, turbo-tricks and home remedies: you can find everything about the flu in our great flu guide.

Video: Influenza vaccination for medicine of two classes


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