Cause of lower corona infection in Asia:
SARS-CoV-2 was first reported from China. Within three months, it evolved to 10 additional subtypes. Two evolved subtypes (A2 and A2a) carry a non-synonymous Spike protein mutation (D614G).
A new study:
A phylodynamic analysis of over 70,000 SARS-CoV-2 coronaviruses worldwide, sequenced until July2020, and found that the mutant sub-type (614G) out competed the pre-existing type (614D), significantly faster in Europe and North-America than in East Asia. A study has concluded that:Continue reading