The results from the two studies suggest that coinfection by aav2 and adenovirus -- or sometimes possibly a herpesvirus called hhv6, which was found in a few children -- is the cause of the mysterious hepatitis illness.

研究结果表明，aav2和腺病毒(有时可能是一些儿童体内发现一种名为hhv6疱疹病毒)共同感染是神秘肝炎疾病原因。

In addition, in some instances in China, there's been a coinfection with influenza and at the same time, there have been some bacterial superinfections on the pneumonias that are occurring.

此，国某些情况下，会合并感染流感， 同时正发生肺炎上出现一些细菌重叠感染。