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Nobilis Influenza H5N2 - Patient leaflet, side effects, dosage

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Patient leaflet - Nobilis Influenza H5N2

B. PACKAGE LEAFLET

PACKAGE LEAFLET:

Nobilis Influenza H5N2 emulsion for injection for chickens

  • 1. NAME AND ADDRESS OF THE MARKETING AUTHORISATION HOLDER AND OF THE MANUFACTURING AUTHORISATION HOLDER RESPONSIBLE FOR BATCH RELEASE, IF DIFFERENT

Marketing authorisation holder and manufacturer responsible for batch release:

Intervet International B.V.

Wim de Korverstraat 35

5831 AN Boxmeer

The Netherlands

  • 2. NAME OF THE VETERINARY MEDICINAL PRODUCT

Nobilis Influenza H5N2 emulsion of injection for chickens.

  • 3. STATEMENT OF THE ACTIVE SUBSTANCE(S) AND OTHER INGREDIENT(S)

One dose of 0.5 ml contains:

Active substance:

Inactivated whole avian influenza virus antigen of H5N2 subtype (strain A/duck/Potsdam/1402/86­), inducing an HI titre of >6.0 log2 as tested according to the potency test.

Adjuvant:

Liquid light paraffin: 234.8 mg.

  • 4. INDICATION(S)

For active immunisation of chickens against avian influenza type A, subtype H5.

Efficacy has been evaluated on the basis of preliminary results in chickens. Reduction of clinical signs, mortality and excretion of virus after challenge were shown by three weeks after vaccination.

Serum antibodies could be expected to persist for at least 12 months after administration of two doses of vaccine.

  • 5. CONTRAINDI­CATIONS

Do not administer intramuscularly in chickens less than 2 weeks old.

  • 6. ADVERSE REACTIONS

A transient diffuse swelling may very commonly occur at the vaccination site, which persists for about 14 days.

The frequency of adverse reactions is defined using the following convention: – very common (more than 1 in 10 animals treated displaying adverse reaction(s)) – common (more than 1 but less than 10 animals in 100 animals treated)

  • – uncommon (more than 1 but less than 10 animals in 1,000 animals treated)

  • – rare (more than 1 but less than 10 animals in 10,000 animals treated)

  • – very rare (less than 1 animal in 10,000 animals treated, including isolated reports).

If you notice any side effects, even those not already listed in this package leaflet or you think that the medicine has not worked, please inform your veterinary surgeon.

  • 7. TARGET SPECIES

Chickens.

  • 8. DOSAGE FOR EACH SPECIES, ROUTES AND METHOD OF ADMINISTRATION

For subcutaneous or intramuscular use.

From 8 – 14 days old: 0.25 ml subcutaneously.

From 14 days to 6 weeks old: 0.25 or 0.5ml subcutaneously or intramuscularly.

6 weeks and older: 0.5ml subcutaneously or intramuscularly.

Future laying hens and breeders: administer a second 0.5 ml dose 4–6 weeks after the first vaccination.

No information is available on vaccination in the presence of maternally derived antibodies. Immunisation of progeny from vaccinated birds should therefore be delayed until such antibodies have declined.

  • 9. ADVICE ON CORRECT ADMINISTRATION

Allow the vaccine to reach a temperature of 15 °C – 25 °C.

Shake well before use.

Use sterile syringes and needles. It is recommended to use a closed multiject vaccination system.

  • 10. WITHDRAWAL PERIOD(S)

Zero days.

  • 11. SPECIAL STORAGE PRECAUTIONS

Keep out of the sight and reach of children.

Store and transport refrigerated (2 °C – 8 °C). Do not freeze.

Do not use this veterinary medicinal product after the expiry date which is stated on the label.

Shelf life after first opening the container: 8 hours.

  • 12. SPECIAL WARNINGS

Special warnings for each target species

This vaccine has been tested for safety in chickens. If used in other avian species that are considered at risk of infection, its use in these species should be undertaken with care and it is advisable to test the vaccine on a small number of birds prior to mass vaccination. The level of efficacy for other species may differ from that observed in chickens.

The level of efficacy attained may vary depending on the degree of antigenic homology between the vaccine strain and circulating field strains.

Special precautions to be taken by the person administering the veterinary medicinal product to animals

Special warning for the user:

This product contains mineral oil. Accidental injection/self injection may result in severe pain and swelling, particularly if injected into a joint or finger, and in rare cases could result in the loss of the affected finger if prompt medical attention is not given. If you are accidentally injected with this product, seek prompt medical advice even if only a very small amount is injected and take the package leaflet with you. If pain persists for more than 12 hours after medical examination, seek medical advice again.

To the physician:

This product contains mineral oil. Even if small amounts have been injected, accidental injection with this product can cause intense swelling, which may, for example, result in ischaemic necrosis and even the loss of a digit. Expert, PROMPT, surgical attention is required and may necessitate early incision and irrigation of the injected area, especially where there is involvement of finger pulp or tendon.

Lay

The safety of the veterinary medicinal product has not been established during lay.

Interaction with other medicinal products and other forms of interaction

No information is available on the safety and efficacy of this vaccine when used with any other veterinary medicinal product. A decision to use this vaccine before or after any other veterinary medicinal product therefore needs to be made on a case by case basis.

Incompatibilities

Do not mix with any other veterinary medicinal product.

  • 13. SPECIAL PRECAUTIONS FOR THE DISPOSAL OF UNUSED PRODUCT OR WASTE MATERIALS, IF ANY

Ask your veterinary surgeon how to dispose of medicines no longer required. These measures should help to protect the environment.

  • 14. DATE ON WHICH THE PACKAGE LEAFLET WAS LAST APPROVED

Detailed information on this veterinary medicinal product is available on the website of the European Medicines Agency

  • 15. OTHER INFORMATION

Frequently Asked Questions

What is Nobilis Influenza H5N2 used for?

Nobilis Influenza H5N2 is a vaccine designed to protect poultry against the H5N2 strain of the avian influenza virus.

Who should receive Nobilis Influenza H5N2 vaccination?

This vaccine is intended for use in poultry, primarily chickens and turkeys, to prevent influenza outbreaks.

How is Nobilis Influenza H5N2 administered?

The vaccine is usually administered via injection or drinking water, depending on the specific recommendations from your veterinarian.

What are the benefits of vaccinating poultry with Nobilis Influenza H5N2?

Vaccination helps reduce the risk of avian influenza infection, minimizes disease spread, and protects flock health.

Are there any side effects associated with Nobilis Influenza H5N2?

Some birds may experience mild swelling at the injection site or temporary lethargy as a response to the vaccine.

How long does immunity last after vaccination with Nobilis Influenza H5N2?

Immunity duration can vary, but it generally lasts for several months; consult your veterinarian for specific advice.

At what age should poultry be vaccinated with Nobilis Influenza H5N2?

Vaccination typically begins when birds are around 6 weeks old, but consult your veterinarian for tailored recommendations.

Can Nobilis Influenza H5N2 be given alongside other vaccines?

Yes, but it's essential to discuss timing and potential interactions with your veterinarian to ensure optimal protection.

What should I do if a bird shows adverse reactions after vaccination?

Monitor the bird closely and contact your veterinarian immediately if you observe severe reactions or prolonged symptoms.

How can I store Nobilis Influenza H5N2 properly?

Store the vaccine in a cool place (between 2°C and 8°C) and avoid freezing to maintain its effectiveness.

Is a booster shot required after initial vaccination with Nobilis Influenza H5N2?

Booster doses may be recommended based on local disease prevalence; follow your vet's guidance on revaccination schedules.

Does Nobilis Influenza H5N2 protect against all strains of avian influenza?

No, this vaccine specifically targets the H5N2 strain; other strains may require different vaccines for effective protection.

How often should I vaccinate my flock with Nobilis Influenza H5N2?

Vaccination frequency depends on local outbreak risks and veterinary recommendations; regular monitoring is crucial.

Can unvaccinated birds still contract avian influenza if vaccinated birds are present?

Yes, unvaccinated birds are at risk if they come into contact with infected animals or contaminated environments.

What are some signs that my poultry might have avian influenza despite vaccination?

Signs include sudden death, respiratory distress, decreased egg production, and neurological symptoms. Contact your vet immediately if observed.

Can I mix Nobilis Influenza H5N2 with other medications in drinking water?

It's best to consult your veterinarian before mixing vaccinations with medications to avoid potential interactions that could affect efficacy.

Is there a withdrawal period after administering Nobilis Influenza H5N2 for meat or egg production?

Yes, there may be specific withdrawal times before meat or eggs can be sold; check with your veterinarian for detailed guidance.

Can environmental factors affect the efficacy of Nobilis Influenza H5N2 vaccines?

Yes, factors like stress, poor nutrition, and unsanitary conditions can impact vaccine effectiveness; maintaining good husbandry practices is key.

Where can I find more information about avian influenza prevention in my poultry flock?

Consult with your veterinarian or visit reputable agricultural extension services online for comprehensive resources on avian flu prevention strategies.