![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2024/05/NOBIVAC®-Feline-2-FeLV-cover.png)
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Feline 2-FeLV
The only vaccine with proven two-year duration of immunity for feline leukemia.
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FELINE 2-FeLV provides protection against Feline Leukemia
Feline Leukemia Virus (inactivated virus).
- Only Nobivac® FeLV vaccines are shown to be effective against persistent viremia for 2 years after vaccination.64
- Superior Efficacy demonstrated vs. multiple FeLV vaccines65, 66
- Nobivac® FeLV vaccines are the ONLY USDA-licensed vaccines that offer 2-Year Duration of Immunity (DOI) (Ideal for adherence to AAFP guidelines).1, 64, 67
- The ONLY vaccine to demonstrate efficacy over the long-term in a co-mingling study mimicking real life conditions1
- Proven safety profile-99% reaction-free in ongoing surveillance involving millions of doses1
- Available in combination with other Nobivac feline vaccines to provide broader disease protection
- Optimal choice for all cats under 1 year of age and healthy indoor/outdoor cats of any age
Indications:
Shown to be effective for vaccination of healthy cats 9 weeks of age or older against feline leukemia viruses. Duration of immunity is at least 2 years.
Also shown to be effective against persistent viremia in cats exposed to virulent feline leukemia virus.
FELINE 2-FELV IS A SAFE CHOICE
- 99.99% reaction-free in ongoing surveillance involving millions of doses1
- Two-year duration of immunity means fewer vaccinations
ADMINISTRATION AND DOSAGE
- Subcutaneous or intramuscular injection
- Initial 1 mL dose administered at 9 weeks of age or older
- Second 1 mL dose administered 3 to 4 weeks later
- Contact your veterinarian or manufacturer for more information on revaccination frequency.
- Available in a 25 x 1 mL dose presentation
ALSO AVAILABLE IN OTHER FORMULATIONS
DISEASE INFORMATION
Efficacy & Comparisons
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/2felv-efficacy-chart.png)
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/2felv-comparative-study-chart.png)
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/2felv-field-study-chart.png)
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/2felv-nobivac-vs-purevax-chart.png)
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/2felv-viremia-bar-chart.png)
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Professional Resources and Educational Materials
Keep your clinic and staff informed and aware of diseases and outbreaks.
![](https://www.merck-animal-health-usa.com/wp-content/uploads/sites/54/2020/08/Feline-Vaccination-Guide.png?w=770)
Feline Vaccination Guide
Brochure
A guide to help your pet parents understand common feline diseases and the importance of customizing vaccination for their pet’s unique lifestyle.
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Feline Leukemia Virus
Brochure
Educate your clients about FeLV with this easy to share brochure.
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