After nearly 40 years in general practice, I think I’ve heard them all. “I don’t need a flu jab, doc, I’m as fit as a flea.” “I’ve never had a flu jab, and I’ve never had the flu”. And best of all: “I knew someone who never had the flu till he had the jab, and now he gets flu every year.”
These mythical tales are bane of most doctors’ lives. They're often cited by patients who don’t like the advice they are being given, but can’t think of a good reason why they should not take it. There's a Mr Miracle out there who seems to smoke 40 cigarettes a day, eats burgers every day for lunch washed down with a bottle of whisky, and has never had a day off sick in his life.
It is very difficult for doctors to respond sensibly to these stories. All we can do is trot out the same boring – but nevertheless evidence-based – advice.
Your immunity wanes as you get older
Even if you have never had a day’s illness in your life, your chance of catching flu increases as you get older. found that people over the age of 65 who had a flu jab consulted their GPs less often with what the scientists call ‘flu-related illnesses’ (basically flu, bronchitis and pneumonia) than those of similar age who hadn’t.
People with chronic conditions are more likely to get flu
It has long been known that flu-related illnesses are (what medical bods call co-morbidities) such as chronic lung disease, heart disease, diabetes or immune system deficiencies.
Co-morbidities themselves are commoner in people over the age of 65, so the combination of getting older, developing age-related diseases and remaining unimmunised creates a perfect storm for the flu bugs waiting to strike.
The benefits outweigh the risks
If patients are to be believed (and I do believe them, most of the time) they all have an acquaintance who turned into Dr Jekyll after a flu jab.
is that serious side effects are extremely rare. about just how effective flu jabs are in protecting older people from flu - partly because effectiveness seems to vary from year to year, depending on the strains used in the vaccine.
In 2016, a strain of virus called Australia H2N3 (AH2N3 to its friends) decided to change its antigen coat (the outer protective layer of the bag) at the last minute. The vaccine makers were unable to keep up with this change which made the jab less effective than the previous year. In 2017 the new strain of H2N3 was incorporated into the flu jab, which should make it more effective, especially for older people.
Even if they don't offer quite the same protection as they do in younger people, you're still less likely to get flu if you've been immunised, whatever your age. And given the choice between having a low side effect jab with a slight niggle about effectiveness, or a proven risk of catching a disease which could kill me, I know which way I would jump.
“It is crucial that we remember that vaccination remains the best protection we have against the unpredictable flu virus,” said , clinical senior lecturer and honorary consultant in infectious diseases at Imperial College London and spokesperson for the . “Hundreds of virologists around the world are constantly working to make vaccines safer, more reliable and more effective. Just because the process isn’t perfect doesn’t mean it’s not saving hundreds of thousands of lives a year. I would urge anyone in the at-risk categories to get their free jab before this winter.”
Older people are also more likely to have serious complications from flu. I’ve included this point for those brave soldiers who say they’ve had flu, it’s not so terrible and they’ll take their chances.
The flu can be fatal
, the UK’s Chief Medical Officer of Health, has other ideas. “Let me be crystal clear – flu kills,” she said. “For many people it is an unpleasant illness but for the most vulnerable in society – small children, the elderly, those with long-term health problems and for pregnant women – it is extremely dangerous and can be lethal."
"Getting the vaccine is the best way to protect yourself and your loved ones from catching flu and I would urge everyone who is offered the vaccine free on the NHS to get vaccinated.”
found that of the 250,000-500,000 people who die across the world from influenza every year, 90% are over the age of 65. If that statistic doesn’t get you rolling your sleeve up, I don’t know what will.
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