| molecular epidemiology of astrovirus infection in barcelona, spain. | a 3-year study involving 2,347 gastroenteritis samples was conducted to determine the prevalence, time distribution, and medical significance of human astrovirus infection in barcelona, spain. the overall incidence of astrovirus was found to be 4.9%. mixed infections with other enteric agents were detected in 17.2% of all astrovirus-positive samples. during the 3-year period, the highest astrovirus incidence was reported in the winter months, although infections also occurred in summer. the peak ... | 2002 | 11773106 |