Though the XBB.1.5 has become the dominant sublineage in some countries, the symptoms it caused are no severer than other Omicron subvariants.

尽管 XBB.1.5 已经成为一些国家的主要传播的亚种，但它引起的症状并不比其他奥密克戎亚型严重。

Wang Xinyu, deputy director of the infectious disease department of Shanghai Huashan Hospital, responded to frequently asked questions regarding the recently discovered Omicron sublineage XBB.

上海华山医院传染病科副主任王新宇回应了关于最近发现的奥密克戎亚型 XBB 的常见问题。

They have also found one recombinant variant of sublineages of Omicron, which has shown early signs of being even more transmissible than the parent variants.

他们还发现了一种 Omicron 亚系的重组变体，它显示出比亲本变体更具传播性的早期迹象。

The XE is recombinant of two sublineages of the Omicron variants, BA.1 and BA.2, but it has three mutations that are not present in their parent sequences.

XE 是 Omicron 变体的两个亚系 BA. 1 和 BA. 2 的重组体，但它具有三个突变， 这些突变不存在于其父序列中。

Netizens fear that the new sublineage, said to be more transmissible and aggressive to the brain, heart, and digestive systems than its predecessors, will cause a new round of pandemic with severe symptoms.

网友担心新的亚型，据说比它比之前的毒株更容易传播和影响大脑、心脏和消化系统，将导致新一轮症状严重的大流行。