| a slow spread of adenovirus type 7 infection after its re-emergence in yamagata, japan, in 1995. | we have continued the epidemiological study on adenovirus type 7 (ad7), which re-emerged in 1995 in yamagata, japan. between 1999 and 2004, we isolated only four strains from 10,778 throat swab specimens among children with acute respiratory infections. a serological survey of 303 specimens revealed the antibody-positive rate against ad7 to be 0-7.4% in children under 10 years of age in 2005, although it was 3.3-16.7% in 1997 and 0% in 1993. our results suggest that a re-emergence does not alway ... | 2006 | 16858147 |