| [detection of hav, srsv and astrovirus genomes from native oysters in chiba city, japan]. | srsv, astrovirus in tvirus and hav genomes were detected by rt-pcr in naturally grown oysters (total 112) collected in chiba city bay, japan, through a year from april, 1997 to march, 1998 and genogroup was typed by sequencing. srsv positive products were detected by rt-pcr from 28 out of 112 oysters and all of them were grouped into g-ii by sequencing. the highest incidence was observed in february, 1998. furthermore, astrovirus positive products were detected sporadically from 15 out of 112 sa ... | 1999 | 10423945 |