Serological evidence of Mayaro virus infection in blood donors from sao Carlos, sao Paulo, Brazil

被引：10
|
作者：
Romeiro, Marilia Farignoli [1 ]
Fumagalli, Marcilio Jorge [1 ]
dos Anjos Souza, Ana Beatriz [1 ,2 ]
Moraes Figueiredo, Luiz Tadeu [1 ]
机构：
[1] Univ Sao Paulo, Virol Res Ctr, Ribeirao Preto Med Sch, Ribeirao Preto, SP, Brazil
[2] Banco Sangue Irmandade Santa Casa Misericordia Sa, Sao Carlos, SP, Brazil
来源：
TRANSACTIONS OF THE ROYAL SOCIETY OF TROPICAL MEDICINE AND HYGIENE | 2020年 / 114卷 / 09期
基金：
巴西圣保罗研究基金会;
关键词：
arboviruses; blood donors; Mayaro virus; seroepidemiology; NEUTRALIZING ANTIBODIES; OUTBREAK; DISEASE;
D O I：
10.1093/trstmh/traa016
中图分类号：
R1 [预防医学、卫生学];
学科分类号：
1004 ; 120402 ;
摘要：
Background: Human infections by Mayaro virus (MAYV) occur by insect bites upon exposure to rural or sylvatic areas. Information regarding MAYV transmission is Limited due to a Lack of commercial diagnostic assays and diagnostic confusion on account of similarities of clinical signs with other co-circulating arboviral diseases. Methods: A serological survey of MAYV and Chikunguya virus (CHIKV) antibodies was performed by ELISA. Between 2017 and 2018, 5608 blood donor samples were tested. Results: Specific IgM and IgG antibodies to MAYV were detected respectively in 36 and 11 samples, indicating a total seroprevalence of approximately 0.83%. Neutralization activity was observed in two IgG positive sera. Additionally, eight distinct samples had IgM antibodies to CHIKV alone. Conclusions: Our data suggest previously unreported circulation of MAYV in Sao Carlos city, from southeastern Brazil.
引用
收藏
页码：693 / 696
页数：4
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