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2023-2024 Influenza Vaccination

2023-2024 Influenza Vaccination

  • Effective means in preventing influenza and its complications

  • Reduction in influenza-associated hospitalisation and death

  • 6 months or above

Details

What is seasonal influenza? How do viruses spread?

What is seasonal influenza? How do viruses spread?

Seasonal influenza is a common seasonal influenza in humans and is an acute illness of the respiratory tract caused by influenza viruses. In Hong Kong, it is usually more common in periods from January to March and from July to August.
Influenza viruses are mainly spread by respiratory droplets. The disease is characterised by fever, sore throat, cough, runny nose, headache, muscle aches and general tiredness.

Why should I get the flu shot?

Why should I get the flu shot?

Seasonal Influenza Vaccination is one of the effective means in preventing influenza and its complications together with reduction in influenza-associated hospitalisation and death.

Why is seasonal influenza vaccination important?

Why is seasonal influenza vaccination important?

Influenza can be a serious illness and may be complicated by death. When it becomes pandemic influenza, it will bring an unimaginable burden to ourselves and society. Therefore, the government suggests all members of the public, except those with known contraindications, should receive SIV annually for personal protection.

What is the recommended composition of the 2023/24 egg-based quadrivalent influenza vaccine?

What is the recommended composition of the 2023/24 egg-based quadrivalent influenza vaccine?

  •  an A/Victoria/4897/2022 (H1N1)pdm09-like virus

  • an A/Darwin/9/2021 (H3N2)-like virus

  • a B/Austria/1359417/2021 (B/Victoria lineage)-like virus

  • a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus

Recommended Age:

6 months or above

Recommended Age:
I am allergic to egg, can I receive Inactivated Influenza Vaccine﹙IIV﹚?

I am allergic to egg, can I receive Inactivated Influenza Vaccine﹙IIV﹚?

For those who are allergic to egg, Medicare Clinic do not provide Inactivated Influenza Vaccine.

Possible Side Effects:

  • Pain

  • Redness and swelling

  • Fever

  • Muscle pain

  • Tiredness

Possible Side Effects:

My child has asthma. Should he/she avoid influenza vaccination in case it gives him/her an asthmatic attack?

My child has asthma. Should he/she avoid influenza vaccination in case it gives him/her an asthmatic attack?

Children suffering from lung diseases such as asthma are recommended to receive inactivated influenza vaccine (IIV) because of an increased risk of complications associated with influenza. However, children aged 2 to 4 years who have asthma or who have had a history of wheezing in the past 12 months should NOT receive live attenuated influenza vaccine

Is it necessary to get vaccinated against seasonal influenza every year?

Is it necessary to get vaccinated against seasonal influenza every year?

Yes, seasonal influenza vaccination requires annual administration. Evidence on repeated influenza vaccination shows that vaccination in the current and prior season provides better protection than no vaccination or being vaccinated in the prior season only. Since the circulating seasonal influenza strains may change from time to time, the seasonal influenza vaccine composition is updated every year in accordance with the circulating strains to enhance protection.

How many doses of seasonal influenza vaccine will children and adults need?

How many doses of seasonal influenza vaccine will children and adults need?

Persons aged 9 years or above: Single dose per year
Children aged 6 months to under 9 years who have never received any seasonal influenza vaccination SIV before are recommended to receive 2 doses of SIV with a minimum interval of 28 days in the current season. Children below 9 years of age who have received at least one dose of SIV before are recommended to receive one dose of SIV in the current season*. For persons aged 9 years or above, only one dose of SIV is required in each influenza season

How much protection does the seasonal influenza vaccine provide?

How much protection does the seasonal influenza vaccine provide?

According to estimates from the United States (US) Centers for Disease Control and Prevention, influenza vaccines reduced the risk of influenza illness by 40% to 60% among the overall population during seasons when most circulating viruses closely matched with the vaccine strains.

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