An outbreak of parainfluenza virus type 3 infection that occurred in a special neonatal care unit is described. Birth weights of affected infants ranged from 1860 to 2080 g and gestational ages were between 28 and 32 weeks. Three infants presented with recurrent episodes of apnoea associated with oxygen desaturations on postnatal ages of 16 days, 26 days and 66 days respectively; upper respirat...

Antibody prevalence against respiratory viruses was noted, as follows: adenovirus (1.3%), influenza A (0.6%), influenza B (12.7%), parainfluenza-1 (22.3%), parainfluenza-2 (2.5%), parainfluenza-3 (18.5%) and respiratory syncytial virus (0.6%). The difference in antibody prevalence between the different virus antigens was statistically significant. High antibody rates to influenza B, parainfluen...

An evaluation of selected commonly used procedures for the recovery of endogenous viral contaminants in bovine serum was undertaken. Low speen centrifugation (25,000 x g) was found to be efficient for the recovery of bovine herpesvirus type 1 (BHV-1) and parainfluenza virus type 3(PI-3) in bovine serum. Decreased infectivity titers were obtained when parainfluenza virus type 3, and to a lesser ...

A total of 1429 Saudi children of either sex and under 5 years of age who were admitted to King Khalid University Hospital, Riyadh during a three year period (April 1993-March 1996) with complaints suggestive of acute respiratory tract infections (ARTI) were investigated for viral aetiology of the infection. Viruses could be detected in 522 (37 per cent) cases with respiratory syncytial virus (...

Here, we present the complete genome sequences of two human parainfluenza virus type 3 (HPIV-3) isolates collected from hospitalized infants suffering from acute respiratory disease. These are the first complete genome sequences of HPIV-3 originating from Brazil.