特異性:Parainfluenza 2 & 3 (all antigens) All structural antigens. Cross-reacts with type 2. Minimal reactivity with type 1. Some cross-reactivity with bovine parainfluenza-3 and canine parainfluenza. Does not react with HEp-2 cells by indirect immunofluoresc
純度:>95% pure. Sodium sulfate precipitation and ion-exchange chromatography