ArticleJournal of feline medicine and surgery2019
Antibody response to feline panleukopenia virus vaccination in cats with asymptomatic retrovirus infections: a pilot study.
Article in Journal of feline medicine and surgery, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- Recommendations on vaccination for Latin American small animal practitioners: a report of the WSAVA Vaccination Guidelines Group.The Journal of small animal practice · 2020Guideline
- Advances in Feline Panleukopenia Virus Vaccines: Immunological Mechanisms, Current Challenges, and Future Perspectives.Viruses · 2026Review
- Antibody responses to inactivated (adjuvanted) and attenuated (non-adjuvanted) feline panleukopaenia virus vaccination, including in different injection sites.Journal of feline medicine and surgery · 2026Article
- Feline leukaemia virus (FeLV) infection in domestic pet cats in Australia and New Zealand: Guidelines for diagnosis, prevention and management.Australian veterinary journal · 2025Review
- Preparation and preliminary application of fluorescent microsphere test strips for feline parvovirus antibodies.BMC biotechnology · 2024Article
- Antibody response after feline panleukopenia virus vaccination in kittens with and without intestinal parasites.Journal of feline medicine and surgery · 2024Article
- Dietary Supplementation with Nucleotides, Short-Chain Fructooligosaccharides, Xylooligosaccharides, Beta-Carotene and Vitamin E Influences Immune Function in Kittens.Animals : an open access journal from MDPI · 2023Article
- Vaccination of Immunocompromised Cats.Viruses · 2022Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesCurrently, there are only a few studies on how immunocompromised cats, such as cats infected with feline leukaemia virus (FeLV) and feline immunodeficiency virus (FIV), respond to vaccination. Therefore, this study measured feline panleukopenia virus (FPV) antibodies in retrovirus-infected cats within a period of 28 days after FPV vaccination, and compared the immune response to that of non-infected cats.
methodsEight asymptomatic retrovirus-infected cats (four FeLV, four FIV), and non-infected age-matched control cats (n = 67) were vaccinated with a commercial FPV modified live virus (MLV). Pre- and post-vaccination antibody titres were measured by haemagglutination inhibition (HI) on days 0, 7 and 28. An HI titre ⩾1:40 was defined as protective. An adequate response to vaccination was defined as a four-fold titre increase or higher. Comparison of the immune response of retrovirus-infected and non-infected cats was performed.
resultsPre-vaccination FPV antibody titres ⩾1:40 were present in 100% (n = 8/8; 95% confidence interval [CI] 62.8-100) of retrovirus-infected and in 77.6% (n = 52/67; 95% CI 66.2-86.0) of non-infected cats. An adequate response to vaccination (titre increase ⩾four-fold) was seen in 1/8 retrovirus-infected cats (12.5%; 95% CI 0.1-49.2) compared with 22/67 non-infected cats (32.8%; 95% CI 22.8-44.8). In cats with high pre-vaccination titres (⩾1:160), a four-fold titre increase or higher was observed in 1/8 retrovirus infected cats (12.5%; 95% CI 0.1-49.2) compared with 4/42 non-infected cats (9.5%; 95% CI 3.2-22.6). None of the eight retrovirus-infected cats developed illness or vaccination side effects after vaccination with MLV against FPV within the 28 days. There were no significant differences between groups: for pre-vaccination titres; for at least four-fold titre increases following vaccination in either all cats or the cats with high pre-vaccination titres; and concerning adverse effects. CONCLUSIONS AND RELEVANCE: All retrovirus-infected asymptomatic cats had pre-vaccination FPV antibodies indicating protection against panleukopenia. Response of retrovirus-infected cats to vaccination was similar to the response of non-infected cats.
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Registered trials
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