CP and coinfection: However, PIV2-positive samples (0/2) did not show co-infection in the RTIIDG; this pattern was similarly observed for PIV4 positive samples in the SAURTIG (0/3) and RTIIDG (0/2).PIV2 (0/0) was not observed in the RTICLDG, and CP (0/14) was not observed in the RTISNPSG.