Volume 21, Number 10—October 2015
Dispatch
Heartland Virus Neutralizing Antibodies in Vertebrate Wildlife, United States, 2009–2014
Kasen K. Riemersma1 and Nicholas Komar
Table 2
Lack of detectable cross-neutralization of HRTV by mouse hyperimmune ascites fluids containing high-titered antibodies to LSV, SCV, and RGV*
| Virus (challenge dose, PFU) | PRNT70 antibody titers |
|||
|---|---|---|---|---|
| HRTV | LSV | SCV | RGV | |
| HRTV (54) | 160 | <20 | <20 | <20 |
| LSV (214) | 20 | ≥640 | <20 | <20 |
| SCV (220) | 20 | <20 | 320 | <20 |
| RGV (14) | <20 | <20 | <20 | 320 |
*HRTV, Heartland virus; LSV, lone star virus; PRNT70, 70% plaque-reduction neutralization test; RGV, Rio Grande virus; SCV, Sunday Canyon virus.
1Current affiliation: University of California, Davis, California, USA.
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