| molecular characterization of a novel recombinant strain of human astrovirus associated with gastroenteritis in children. | we report a naturally occurring human astrovirus (hastv) strain detected in two different geographic locations. we identified two isolates of this strain in a diarrhea outbreak at a child care center in houston, texas; and two isolates in diarrhea stool samples from two children in mexico city. all four isolates were detected in stool samples by enzyme immunoassay (eia). one of the mexican isolates was typed by eia and all four isolates were hastv-5 by typing rt-pcr. the four isolates were >97% ... | 2001 | 11811685 |