Occurrence of Feline Immunodeficiency Virus (FIV) and Feline Leukemia (FeLV) in S&amp;atilde;o Lu&amp;iacute;s-MA

Martins, Nathálya dos Santos; Rodrigues, Ana Paula Sousa; Gonçalves, Stefanne Aparecida; Silva, Ana Lúcia Abreu; Oliveira, R. A. de; Reis, Jenner Karlisson Pimenta dos; Melo, Ferdinan Almeida

doi:10.3844/ajavsp.2015.187.192

Cited by 5 publications

(3 citation statements)

References 22 publications

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“…2 The overall FIV prevalence determined for the domestic cat population described here (6.1%) is lower than most previous reports for naturally infected cats in Brazil. 23,[31][32][33] However, the prevalence observed in the present study is similar to studies performed in Minas Gerais and Bahia. 21,25 Nevertheless, it is not possible to compare the prevalence reported in these studies because of the differences in the cat populations studied and the different diagnostic methods used in each study.…”

Section: Discussionsupporting

confidence: 88%

Feline immunodeficiency virus in Northern Ceará, Brazil

Teixeira

Taniwaki

Menezes

et al. 2019

Journal of Feline Medicine and Surgery Open Reports

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Objectives The objectives of this study were to confirm the prevalence of feline immunodeficiency virus (FIV) infection in domestic cats in the region north of Ceará, Brazil, and to determine the factors associated with infection and the major circulating subtypes of the virus in this area. Methods Samples from 148 cats were collected and tested using anti-FIV antibody screening, with confirmation of positive results by PCR. Univariate analysis was performed considering the epidemiological characteristics and FIV status. Sequencing and phylogenetic analysis of the gag and pol genes were performed to confirm the FIV subtype. Results Nine cats (6.1%) tested positive for FIV – one female (0.7%) and eight males (5.4%). Male cats were significantly more likely to be infected ( P <0.05). Phylogenetic analysis of gag and pol gene sequences indicated that the FIV isolates circulating in the study area belonged to subtype B. Conclusions and relevance In this study, we demonstrated a low prevalence for FIV in the northwest of Ceará, north-eastern Brazil. Male sex is a significant risk factor for FIV infection and the best predictive factor for FIV status. All isolates examined in this study clustered within subtype B, which is the predominant subtype in Brazil. This is the first report of genetic characterization of FIV in the state of Ceará, Brazil.

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Section: Discussionsupporting

confidence: 88%

Feline immunodeficiency virus in Northern Ceará, Brazil

Teixeira

Taniwaki

Menezes

et al. 2019

Journal of Feline Medicine and Surgery Open Reports

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“…FIV prevalence varies from 3.6% in North America and 3.2-6.6% in Europe (Gleich et Biezus et al 2019). FeLV prevalence of 10.6%, was twice the prevalence found in the city of Fortaleza (5.8%) and much higher than the prevalence found in other northeastern states, which vary from 0.6% in Rio Grande do Norte to 3.0% in Bahia (Martins et al 2015; Barros et al 2017;Lacerda et al 2017;Rocha et al 2019). These data suggest a greater spread of this virus in Jericoacoara Village compared to other cities in the Northeast, since in most other studies the animals studied were cats treated in veterinary clinics and hospitals, which are more likely to be infected with the virus.…”

Section: Discussionmentioning

confidence: 61%

Domestic Feline Retroviruses in Environmental Protection Area - Jericoacoara National Park, Ceará, Brazil

Rodriguês,

Taniwaki²,

Costa³

et al. 2023

Preprint

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Feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) are retroviruses with a worldwide distribution and great impact on the health of domestic cats. The Jericoacoara National Park is a region of environmental protection, in the State of Ceará, and contains the Jericoacoara Village, which is an important tourist destination in Brazil. The aims of this study were to verify the prevalence of FIV and FeLV in domestic cats from Jericoacoara Village, as well as the risk factors, clinical signals and hematological changes associated with infection with these feline retroviruses. Samples from 113 cats were collected and tested using anti-FIV antibody and FeLV p27 screening; sequencing and phylogenetic analysis of the gag gene were performed to confirm the FIV subtype. Fourteen cats (12.4%) tested positive for FIV and twelve (10.6%) tested positive for FeLV. The analysis of risk factors for FIV showed that age was a statistically significant risk factor (p=0.001). Dehydration (p=0.008) and hyperproteinemia (p=0.041) were statistically associated with FIV infection. The analysis of risk factors for FeLV showed that cats from high density environments are more likely to become infected than cats from houses with few animals, stray cats, and community cats (p=0.001). No statistical association was found between the clinical and hematological alterations with FeLV infection. The phylogenetic analysis of sequences from nine FIV-positive animals revealed that samples belonged to FIV subtype B. The data found in the study suggest the need to intensify the control of these feline retroviruses in this environmental protection area.

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“…Since its discovery, many studies have been conducted on the prevalence of FeLV in various countries and varying prevalence rates have been reported depending on geographical location (Table 2). This variability in prevalence rates is caused by geographical location, lifestyle [18,9,39], health status [18], population density of cats [9,39], prophylactic measures [14], and various diagnostic laboratory methods [40]. [17] The prevalence of FeLV infection observed in the current study (Fig.…”

Section: Discussionmentioning

confidence: 91%

Prevalence of feline coronavirus, feline leukemia virus, and feline immunodeficiency virus in client-owned cats in Croatia

Raukar

2021

JNS

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This study aimed to determine prevalences for anti-FCoV antibody, FeLV antigen, FeLV proviral DNA, and anti-FIV antibody among client-owned cats from the cities of Zagreb and Varaždin in Croatia. Subjects included 106 client-owned cats tested at the Faculty of Veterinary Medicine, Vienna, Austria. Blood samples were tested with IFA for anti-FCoV antibody and IFA FCoV antibody titeres, with ELISA for FeLV p27 antigen, with PCR for FeLV proviral DNA, and with RIM for anti-FIV antibody. Prevalence of FCoV and FeLV was 41.51% and 6.60%, respectively. A coinfection with FeLV/FCoV and FIV/FCoV prevalence was 7.55% and 5.66%. No cats were coinfected with FIV and FeLV. All three viruses were detected, confirming their presence in Croatia. The seroepidemiological findings demonstrate that both feline retroviruses and feline coronavirus are important feline pathogens in Croatia.

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Occurrence of Feline Immunodeficiency Virus (FIV) and Feline Leukemia (FeLV) in São Luís-MA

Abstract: Abstract:The aim of this study was to evaluate the occurrence of feline immunodeficiency virus and feline leukemia virus in the city of São Luís, Maranhão state (MA), Brazil.

Cited by 5 publications

References 22 publications

Feline immunodeficiency virus in Northern Ceará, Brazil

Feline immunodeficiency virus in Northern Ceará, Brazil

Domestic Feline Retroviruses in Environmental Protection Area - Jericoacoara National Park, Ceará, Brazil

Prevalence of feline coronavirus, feline leukemia virus, and feline immunodeficiency virus in client-owned cats in Croatia

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