Seasonal influenza imposes a substantial demand on healthcare resources and the economy each year as a result of increased primary care consultations, referrals, hospitalisations, clinical complications, drug treatment and work absenteeism. [1]
During an influenza epidemic a large amount of healthcare resources are consumed, such as doctors’ and other health professionals’ time, prescribed medicines, laboratory investigations and hospital stays. Nearly half of all patients with influenza visit a doctor or hospital physician, [2, 3] and more than half of these consultations result in a prescription for cold and cough remedies, antibiotics, or both. [4, 5]
In addition to direct medical costs, there are indirect costs associated with influenza, most of which are related to the amount of work time lost. It has been estimated that 1 in every 10 work days missed is due to influenza. [4] On average, the amount of time that people are absent from work caused by an influenza-related illness is 3 days. [3] On returning to work after influenza illness, many people find that their performance at work is reduced. [6]
Taking direct, indirect and other costs into consideration, the economic burden of influenza is considerable. The estimated economic burden of influenza for several countries is shown below.
| Region/ country | Age group | Direct costs | Indirect costs | Total costs |
| Europe [7] | All ages | €25 per primary care visit | – | – |
| €3,160 per patient hospitalised | – | – | ||
| France* [8] | All ages | €225 million | €1.7 billion | €2 billion |
| Germany *[8] | All ages | €73 million | €788 million | €861 million |
| Italy [9] | 2–5 years | €235 per patient | €348 per patient | €582 per patient |
| United States* [8] | All ages | €750 million –€2.3 billion | €8–11 billion | €8–14 billion |
| United States [10] | 50–64 years | €5,457 per patient hospitalised | – | – |
| ≥65 years | €6,209 per patient hospitalised | – | – | |
| All ages | €149 per outpatient | – | – |
*Costs provided in US dollars have been converted to Euros at a rate of US$1 = €0.75.
- "I would describe flu as something that makes you feel very, very ill. You get a headache, aching bones, and are generally fed up"
- "When I get flu symptoms I feel like a train has run over me"
- "I felt very sick and, during the first week, I had high temperature. Flu was very different to a cold. I went back to work after two and a half weeks. Then I suffered a setback for another week"
- "I run a guesthouse; flu would be a real pest for me. I couldn’t cook, I shouldn’t cook, and I wouldn’t cook, so I would need to get a lot of extra help in. It would cost me a lot more money. So flu’s a real problem, a right downturn"
- "I work on my own and when I can’t work, I have to try not to infect my little children, so they avoid getting the flu as well"
- "I feel a little numb, like I’m in another dimension. Because in general I have sore throat, headache, I feel all clogged-up. Usually a sensation like I’m floating in the air"
- "Shivers, sweats, makes you ache. Last time I had flu I was off for two weeks"
- "I think that I would probably be concerned that I would pass flu onto my children, who might not be able to deal with it as well as I would"
- "Flu makes you feel like you’ve been hit over the head with a baseball bat. You don’t feel like you can get yourself out of bed as all your energy is drawn from you"
- "I was incapable of working. It just wasn’t possible at all… and my flu dragged on for more than a week"
- "I have no strength. It annoys me because I can do nothing, it seems like I’m wasting my time"
- "Flu’s like being hit by a truck because you feel completely gone. There is no energy left in your body. You are suffering from high temperature. You’re sweating a lot and you feel really unwell"
- "First of all infinite tiredness, then I feel like sleeping and don’t want to eat"
- "I felt really miserable because my muscles and my bones were aching. Well, I can hardly describe it, I just felt really awful, absolutely miserable"
- "It’s like there’s something huge treading on your head, like a deafening noise that destroys the eardrums"
- "The fever was constantly rising – I immediately measured my temperature as soon as I got home. It was 41°C and it kept rising and I was wondering what’s going on. I was really scared! Everything was hurting and it all happened so fast. Flu came out of the blue"
- "I always feel like my limbs have iron weights tied to them and I’m going to fall over any minute, a really stuffy runny nose and feel antisocial"
- "I was totally dependent on others! I was incapable of doing anything at all"
- "The real flu knocks you for six – you just don’t want to move or do anything. It’s not very nice"
- "Not being able to go to work. Not being able to do the things I have to do at home and the commitments that I have day by day"