They saw something that seemed structurally related to the paramyxoviridae family, a group of viruses known to give people respiratory disease like measles, mumps and respiratory syncytial virus, or RSV.

他们发现了一些在结构上似乎与副粘病毒科有关的病毒，副粘病毒科是一组已知会导致人类呼吸道疾病的病毒，如麻疹、腮腺炎和呼吸道合胞病毒（RSV）。