psittacosis in a highly endemic area in italy. | in one locality in italy where the incidence of psittacosis has increased rapidly since 1980, a hospital-based study and a seroepidemiological survey were carried out in order to define the clinical and epidemiological features of psittacosis in that area. registers of the virology unit of the university of ancona, italy, were reviewed and all hospitalized patients with a serological diagnosis of psittacosis were identified. a total of 76 cases were found and studied. a presumptive bird source w ... | 1987 | 3315709 |