Poxviruses diagnosed in cattle from Distrito Federal, Brazil (2015–2018)

Abstract

Vesicular diseases in livestock may be associated with a group of viruses that have significant sanitary, economic and public health relevance. The main diseases of this group are foot and mouth disease (FMD), vesicular stomatitis (VS), bovine herpetic mammillitis (BHM) and the poxvirus infections as bovine vaccinia (BV), bovine papular stomatitis (BPS) and pseudocowpox (PCP). Malignant catarrhal fever (MCF) and bovine viral diarrhoea (BVD) may also

Retrospective study of poxviruses diagnosed in cattle from Goiás State, Brazil (2010-2018)

“…In the current study, the positive cases were observed in all mesoregions of the state, demonstrating that these poxviruses circulate widely in the local bovine herds, but most cases were concentrated in Southern mesoregion. Similar data were detected in a study performed in a federative unit neighbor to Goiás (Alonso et al 2020). Probably, highest notification of cases in the southern mesoregion occurred because this zone is one of the regions with the highest dairy productivity in the state.…”

“…Other additional cases of mixed infection by VACV and Orf virus-like parapoxvirus (4%) were identified. A recent study performed in a neighboring Brazilian federative unit showed that the same poxvirus infect cattle of the region with very similar frequencies: 51.92% to VACV, 17.31% to PCPV, 15.38% to BPSV and 9.62% to coinfection (PCPV/BPSV) (Alonso et al 2020). Outbreaks of bovine parapoxviruses have also been diagnosed in other Brazilian regions (Cargnelutti et al 2012, Cargnelutti et al 2014 and in other countries, such as United States (Moeller Jr. et al 2018), Japan (Inoshima et al 2009), Turkey (Şevik 2019), South Korea (Oem et al 2013) and Bangladesh (Lederman et al 2014).…”

“…A recent study demonstrated the presence of these poxviruses in cattle from a region of Brazil Midwestern, Distrito Federal. VACV was the most common poxvirus diagnosed in this region, between 2015 and 2018 (Alonso et al 2020). For the first time, a large Retrospective study of poxviruses diagnosed in cattle from Goiás State, Brazil (2010 investigation evaluating epidemiological and pathological aspects of bovine poxviruses was performed in Goiás state using official data and results of passive surveillance in all mesoregions of the state.…”

“…In the last years, the southern and eastern mesoregions had the greatest growth in the dairy activity, and the central and southern regions were the ones that obtained the greatest productivity per cow between 2002 and 2011 . Other important aspect is the frequent circulation and transport of cattle from other neighboring states to Goiás, such as Minas Gerais, Bahia, São Paulo and Distrito Federal, where spontaneous outbreaks of these poxviruses were notified in the last decades , Assis et al 2015, Laguardia-Nascimento et al 2017, Alonso et al 2020.…”

“…The first studies confirming infections by poxvirus in cattle from Brazilian Midwestern were published early in this century (Nagasse-Sugahara et al 2004). Recently, an additional study performed in Distrito Federal demonstrated that vaccinia virus (VACV) is the most common poxvirus circulating in cattle in this region, followed by pseudocowpox virus (PCPV), bovine papular stomatitis virus (BPSV); cases of coinfection by PCPV and BPSV were also described (Alonso et al 2020).…”