Serologic and Molecular Evidence of Vaccinia Virus Circulation among Small Mammals from Different Biomes, Brazil

Emerging Infectious Diseases
Júlia Bahia MirandaGiliane de Souza Trindade

Abstract

Vaccinia virus (VACV) is a zoonotic agent that causes a disease called bovine vaccinia, which is detected mainly in milking cattle and humans in close contact with these animals. Even though many aspects of VACV infection have been described, much is still unknown about its circulation in the environment and its natural hosts/reservoirs. To investigate the presence of Orthopoxvirus antibodies or VACV DNA, we captured small rodents and marsupials in 3 areas of Minas Gerais state, Brazil, and tested their samples in a laboratory. A total of 336 animals were tested; positivity ranged from 18.1% to 25.5% in the 3 studied regions located in different biomes, including the Atlantic Forest and the Cerrado. Analysis of nucleotide sequences indicated co-circulation of VACV groups I and II. Our findings reinforce the possible role played by rodents and marsupials in VACV maintenance and its transmission chain.

References

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Citations

Feb 16, 2018·Journal of Medical Virology·Gianguglielmo ZehenderMassimo Galli
Sep 9, 2017·Viruses·Chad SmithsonChris Upton
Nov 16, 2017·Viruses·Jaqueline Silva de OliveiraGiliane de Souza Trindade
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Nov 21, 2018·Emerging Infectious Diseases·Galileu Barbosa CostaGiliane de Souza Trindade
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Jan 6, 2021·Viruses·Natalia Ingrid Oliveira SilvaBetânia Paiva Drumond
Apr 4, 2021·Pathogens·Iago José da Silva DomingosGiliane de Souza Trindade
Nov 4, 2021·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Lorena Ferreira SilvaFabiano José Ferreira de Sant'Ana

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Methods Mentioned

BETA
serum collection
PCR
ELISA

Software Mentioned

Pajek
MEGA
Sequence Scanner
BLAST
SISBIO

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