Variants raise more COVID-19 questions, concern
Very few mutations will materially alter the course of the pandemic. “Among the numerous SARS-CoV-2 variants that have been detected, only a very small proportion are of public health concern,” US government advisor Anthony Fauci wrote in an open letter published last week in the JAMA science journal. The English, South African and Brazilian variants, however, all share a particular mutation — named N501Y — that is consequential. The mutation occurs on the virus’ spike protein, which almost certainly makes it more effective at binding with human receptor cells. As a result, these ...
Source: jordantimes.com