Covid vaccine manufacturers start work on Omicron-tailored shots

The variant's emergence has triggered a strong global response as countries worried that it could spread fast even in vaccinated populations impose travel curbs and other restrictions

The variant's emergence has triggered a strong global response as countries worried that it could spread fast even in vaccinated populations impose travel curbs and other restrictions https://ift.tt/3FTRvik November 29, 2021 at 04:36AM