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There are many myths surrounding flu and the flu vaccine. Here are 10 common flu myths and the truth behind them.
The flu vaccine is available on the NHS for adults and children who are considered "at risk".
A bad bout of flu is much worse than a heavy cold. Flu symptoms come on suddenly and sometimes severely. They include fever, chills, headaches and aching muscles, as well as a cough and sore throat.
You're likely to spend two or three days in bed. If you get complications caused by flu, you could become seriously ill and have to go to hospital.
No, it doesn't. The injected flu vaccine given to adults contains inactivated flu viruses, so it can't give you flu.
Your arm may feel a bit sore where you were injected, and some people get a slight temperature and aching muscles for a couple of days afterwards. Other reactions are very rare.
The children's nasal spray flu vaccine contains live but weakened flu viruses that will not give your child flu.
No, it can't. Flu is caused by viruses – antibiotics only work against bacteria. You may be prescribed antiviral medicines to treat your flu.
Antivirals do not cure flu, but they can make you less infectious to others and reduce the length of time you may be ill.
To be effective, antivirals have to be given within a day or two of your symptoms appearing. A bacterial infection may occur as a result of having the flu, in which case you may be given antibiotics.
No, you aren't. The viruses that cause flu can change every year, so you need a vaccination that matches the new viruses each year. The vaccine usually provides protection for the duration of that year's flu season.
You should have the vaccine no matter what stage of pregnancy you're in. If you're pregnant, you could get very ill if you get flu, which could also be bad for your baby.
Having the jab can also protect your baby against flu after they're born and during the early months of life.
Yes, it will. This year's flu vaccine protects against three different flu viruses, including the H1N1 swine flu virus . This is because the virus is expected to be circulating this year.
Yes, they can!
The nasal spray flu vaccine is recommended on the NHS for all healthy two- and three-year-olds – plus children in reception class, and school years one, two, three and four.
In addition, children "at risk" of serious illness if they catch flu are eligible for a flu vaccine on the NHS. This includes children with a pre-existing illness, such as a respiratory or neurological condition, and children who are having treatment that weakens their immune system, such as chemotherapy.
The flu vaccine is generally given as an injection to children aged six months to two years and as a nasal spray to children aged 2 to 17 years who have a long-term health condition.
The flu vaccine isn't suitable for babies under the age of six months.
You do need it if you're in one of the "at risk" groups.
As flu is caused by several viruses, the immunity you naturally developed will only protect you against one of them – you could go on to catch another strain, so it's recommended you have the jab even if you've recently had flu. Also, what you thought was flu could have been something else.
No, it's not too late. It's better to have the flu vaccine as soon as it becomes available, usually in October, but it's always worth getting vaccinated after this, even if there have already been outbreaks of flu.
No, it can't. Many people think that taking daily vitamin C supplements will stop them getting flu, but there's no evidence to prove this.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.