. 2011 Dec;17(12):2216–2222. doi: 10.3201/eid1712.110482

Table 5. Results of testing for transmission of rat HEV to rhesus monkeys, Los Angeles, California, USA*.

Inoculum	ID₅₀†	No. injected	No. with HEV RNA or antibodies against HEV
Rat B182	10^3.5	2	0
Rat B350	10^5.2	2	0

*HEV, hepatitis E virus. The 50% infectious dose (ID₅₀) was administered intravenously. †In liver homogenate and titered in rats.