Volume 17, Number 12—December 2011
Research
Hepatitis E Virus in Rats, Los Angeles, California, USA
Table 1
Results of testing for transmission of human and swine HEV to laboratory rats, Los Angeles, California, USA*
Inoculum |
Genotype |
ID50 |
No. injected |
No. with HEV RNA or antibodies against HEV |
Sar 55 | 1 | 103.8† | 2 | 0 |
Akluj-90 | 1 | 104.8† | 2 | 0 |
Kashi-87 | 1 | 108.1‡ | 2 | 0 |
Mex14 | 2 | 104.3† | 4 | 0 |
Meng | 3 | 104.3§ | 4 | 0 |
Meng | 3 | 102.3¶ | 4 | 0 |
*HEV, hepatitis E virus. The 50% infectious dose (ID50) was administered intravenously.
†In human feces and titered in macaques.
‡Quantitative reverse transcription PCR titer.
§In pig feces and titered in pigs.
¶In macaque feces and titered in macaques.
1Current affiliation: Embassy of France, Beijing, People’s Republic of China.
2Current affiliation: National Institutes of Health, Frederick, Maryland, USA.