Seven COVID Lineages With Same Mutation Spotted in the US, Prompting Concerns Among Scientists

During recent months, several new COVID strains have emerged, particularly originating from the UK and South Africa, making the coronavirus infection more contagious and prompting new concerns about vaccine efficacy and restrictions in many countries.

Seven COVID Lineages With Same Mutation Spotted in the US, Prompting Concerns Among Scientists
During recent months, several new COVID strains have emerged, particularly originating from the UK and South Africa, making the coronavirus infection more contagious and prompting new concerns about vaccine efficacy and restrictions in many countries.