Le Page Michael
New Sci. 2021 Nov 27;252(3362):8. doi: 10.1016/S0262-4079(21)02091-1. Epub 2021 Nov 26.
An offshoot of the delta coronavirus variant, known as AY.4.2, appears to be more transmissible, but not more dangerous, says .
有一种被称为AY.4.2的德尔塔冠状病毒变种分支,似乎更具传播性,但危险性并未增加。