| epidemiological study of human calicivirus infection in children with gastroenteritis in lanzhou from 2001 to 2007. | stool specimens were collected from 1,195 young children with acute diarrhea in lanzhou, china, from 2001 to 2007. rt-pcr was used to detect human calicivirus (hucv). one hundred seventeen specimens were found positive for hucv. the infection rate was noticeably higher during 2006-2007 compared to the other years studied. ninety-six specimens were sequenced to determine the genotypes of hucv. eighty-six were norovirus and 10 were sapovirus, while gii/4 was the predominant strain of nv, followed ... | 2010 | 20180141 |
| simultaneous separation and detection of hepatitis a virus and norovirus in produce. | two sample preparation methods based on electrostatic binding were tested to simultaneously separate different viral particles from different food surfaces (lettuce, strawberry, raspberries and green onions). both methods were evaluated using a multiplex real-time pcr assay designed for detection of hepatitis a virus and norovirus gi and gii. single and multiplex detection limits were determined as 10(1) viral particles for hav and norovirus gii, and 10(2) viral particles for norovirus gi using ... | 2010 | 20223543 |