Fotogaléria: Vedci z čínskeho Wu-chanu sú v pozore: Objavili nový, najsmrteľnejší variant koronavírusu u netopierov

Mutating virus concept and new coronavirus b.1.1.7 variant outbreak or covid-19 viral cell mutation and influenza background as dangerous flu strain medical health risk with disease cells as a 3D render.