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Influenza in Children

Posted by Flu Smart organisation and Xtreme Chemist on

How serious is seasonal influenza for children?

Influenza causes substantial illness in children every year. (3)

Of all vaccine preventable diseases, influenza is the leading cause of hospitalisation among Australian children under five years of age. (4)

Children are much more likely to contract influenza in any given season (20-50% compared with 10-30% in adults), with up to 70% of children contracting the virus during pandemic years. (5)

Not only are influenza infection rates generally highest among children, children also contribute greatly to transmission of influenza in the community. (6,7)

Healthy children under five years are more likely than any other age group to be hospitalised for influenza complications. (3,6)

Nearly 1,500* Australian children are admitted to hospital for laboratory confirmed influenza each year. (8)

How can you reduce a child’s risk of catching influenza?

Vaccination is the single most effective way of protecting against influenza infection.

Hand washing and personal hygiene, such as trying not to touch your mouth or nose are also important preventative measures, however, these are less likely to be practised by children.

Where possible, avoid crowds when influenza is prevalent; again this is unlikely to be achieved with children attending day care , kindergarten or school.

Note: In controlled clinical trials remedies such as vitamin C and Echinacea have failed to show any benefit in preventing influenza.

Which children should be vaccinated against influenza?

Current Australian immunisation guidelines recommend annual influenza vaccination for anyone who wishes to protect themselves, which includes children aged ≥six months.

It is critical that children at particular risk of severe complications from influenza are vaccinated, including those with:

  • Heart conditions
  • Asthma and other lung conditions
  • Diabetes (type 1 and type 2)
  • Kidney problems
  • Impaired immunity

Pregnant women should also get vaccinated against influenza, including those in the first trimester at the time of vaccination and there is evidence that this may provide some protection for the new-born infant (9).

People who care for or are in close contact with at-risk individuals, are also advised to protect themselves against influenza to avoid passing on the disease.

Many other parents of healthy children aged ≥6 months may also wish to get their children vaccinated – this is within National Health and Medical Research Council (NHMRC) guidelines

What can parents do if their child falls ill with influenza?

Influenza is highly contagious and can be spread for up to a day before symptoms appear and for five days afterwards2 – potentially even longer among young children. Ways to avoid spreading influenza include:

  • Wash hands regularly
  • Cover nose and mouth when coughing or sneezing
  • Avoid physical contact with others
  • Avoid mixing with other people, particularly those in a high-risk category, while contagious
  • Don’t return children to child care early, as they could still be contagious

Antiviral medications (including paediatric formulations) that can limit the progression of influenza if they are taken early after onset of symptoms (within the first two days of the illness) are available on prescription.


  1. National Institute of Clinical Studies. Flu Facts. Last viewed: March 2009. Available here
  2. NHMRC. The Australian Immunisation Handbook 10th Edition 2013. Available here
  3. Milne BG, Williams S, May M et al. Influenza A associated morbidity and mortality in a Paediatric Intensive Care Unit. CDI 2004;28(4):504 -508
  4. Brotherton J, Wang H, Schaffer A et al. Vaccine preventable diseases and vaccination coverage in Australia, 2003 to 2005. Communicable Diseases Intelligence 2007;31(Suppl)
  5. Neuzil KM, Hohlbein C, Zhu Y. Illness Among Schoolchildren During Influenza Season. Arch Pediatr Adolesc Med. 2002;156:986-991
  6. Principi N, Esposito S, Gasparini R et al. Burden of influenza in healthy children and their households, Arch Dis Child 2004;89:1002-1007
  7. Weycker D, Edelsberg J, Halloran M et al. Population-wide benefits of routine vaccination of children against influenza, Vaccine 2005; 23: 1284-1293
  8. Newell AT, Scuffham PA. Influenza-related disease: The cost to the Australian healthcare system. Vaccine 2008; 26 (52):6818-6823
  9. Zaman K, Roy E, Arifeen SE et al. Effectiveness of maternal influenza immunization in mothers and infants. N Engl J Med 2008; 359(15):1555-1564
  10. Bridges CB, Harper SA, Fukuda K et al. Recommendations of the Advisory Committee on Immunization Practices (ACIP): Prevention and Control of Influenza. MMWR April 25, 2003 April 25;52(RR08):1-36
  11. Hoberman A, Greenberg DP, Paradise JI et al. Efficacy of inactivated influenza vaccine in preventing acute otitis media (AOM) in children [Abstract 752759]. Presented at the Pediatric Academic Societies’ Annual Meeting, Baltimore, MD, 2002
  12. Neuzil KM, Dupont WD, Wright PF, Edwards KM. Efficacy of inactivated and cold-adapted vaccines against influenza A infection, 1985 to 1990: the pediatric experience. Pediatr Infect Dis J 2001;20:733-740
  13. Vynnycky E, Pitman R, Siddiqui R et al. Estimating the impact of childhood influenza vaccination programmes in England and Wales. Vaccine 2008;26: 5321-5330
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