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Flu

Flu jabs

Seasonal flu immunisation, or the flu jab, is the injection of a vaccine against flu. It gives good protection from flu that lasts for one year.

The vaccine, which is normally available in the autumn, is made from the strains of flu that are expected in winter.

We are happy to arrange for private flu jabs if you or your employees are not eligible for a free jab with your NHS GP Practice. We can also arrange to come to your workplace and hold flu jab clinics for your employees.

How effective is it?

The flu vaccines currently available give 70-80% protection against infection, with flu virus strains closely matching those in the vaccine.

In the elderly, protection against infection may be less, but immunisation reduces the chances of pneumonia, hospital admissions and death from seasonal flu.

More about Influenza

Seasonal flu (also known as influenza) is a highly infectious illness caused by a flu virus.

The virus infects your lungs and upper airways, causing a sudden high temperature and general aches and pains.

You could also lose your appetite, feel nauseous and have a dry cough. You may need to stay in bed until your symptoms get better.

Symptoms can last for up to a week.

How it is spread

The flu virus is spread in the small droplets of saliva coughed or sneezed into the air by an infected person. If you breathe in these droplets, you may become infected.

Flu can also spread if someone with the virus touches common surfaces such as door handles with unwashed hands.

The infectious period

Symptoms develop one to four days (two days on average) after being infected.

People with flu are usually infectious (can spread the virus) a day before symptoms start, and remain infectious for five or six days. Children and people with weaker immune systems (such as cancer patients) may remain infectious for slightly longer.

Try to avoid all unnecessary contact with others during this infectious period.

How common is it?

Seasonal flu is a very common illness that occurs every year, usually during the winter months (October to April in the UK).

The number of people who consult their GP with flu-like symptoms varies from year to year, but is usually between 50 and 200 for every 100,000 people. This is in addition to the many people with flu who do not see their GP.

Outlook

Your symptoms will usually peak after two to three days. You should begin to feel much better within five to eight days.

However, elderly people or those with certain medical conditions may develop a complication such as a chest infection. This can lead to serious illness and can be life-threatening.

In the UK, about 600 people a year die from seasonal flu. This rises to around 13,000 during an epidemic.

A seasonal flu vaccine is available free if you are over 65, have a serious medical condition or live in a residential home.


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