Volume 30, Number 8—August 2024
Synopsis
Outbreak of Intermediate Species Leptospira venezuelensis Spread by Rodents to Cows and Humans in L. interrogans–Endemic Region, Venezuela
Table 2
Cow no. | rrs PCR |
lipL32 PCR |
Serology |
Cultures |
Sequenced species† | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Blood | Urine | Blood | Urine | MAT titer | Serovar | Blood | Urine | |||||
1 | + | – | – | – | Negative | NA | + | – | L. venezuelensis | |||
2 | – | – | – | – | Negative | NA | – | – | NA | |||
3 | – | + | – | – | 1:800 | L. wolffii | – | + | L. venezuelensis | |||
4 | – | – | – | – | Negative | NA | – | – | NA | |||
5 | – | + | – | + | 1:400 | L. hebdomadis | – | + | L. interrogans | |||
6 | – | – | – | – | Negative | NA | – | – | NA | |||
7 | – | + | – | – | 1:800 | L. wolffii | – | + | L. venezuelensis | |||
8 | + | – | + | – | Negative | NA | + | – | L. interrogans | |||
9 | – | + | – | + | 1:400 | L. mini | – | + | L. interrogans | |||
10 | – | – | – | – | Negative | NA | – | – | NA | |||
11 | – | + | – | – | 1:1,600 | L. bataviae | – | – | NA | |||
12 | – | + | – | – | 1:800 | L. wolffii | – | + | L. venezuelensis | |||
13 | – | + | – | – | 1:400 | L. wolffii | – | + | L. venezuelensis | |||
14 | – | + | – | – | 1:800 | L. wolffii | – | + | L. venezuelensis | |||
15 | – | – | – | – | Negative | NA | – | – | NA | |||
16 | – | + | – | – | 1:400 | L. wolffii | – | + | L. venezuelensis |
*Results for MAT serology, cultures, and PCR of the Leptospira lipL32 and rrs (16S rDNA) genes from cultured isolates. MAT, microscopic agglutination test; NA, not applicable; –, negative; +, positive. †Leptospira spp. were determined by sequencing the PCR-amplified rrs gene.
1Current affiliation: Universidad de las Fuerzas Armadas ESPE, Santo Domingo, Ecuador.
2Current affiliation: Universidad de Buenos Aires, Buenos Aires, Argentina.
3Current affiliation: Institut Pasteur de Montevideo, Montevideo, Uruguay.
4Current affiliation: The University of North Carolina, Chapel Hill, North Carolina, USA.
Page created: May 10, 2024
Page updated: August 07, 2024
Page reviewed: August 07, 2024
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