AstraZeneca confirmed today that it has discontinued clinical development of a follow-up to its COVID-19 vaccine Vaxzevria targeted at the Beta variant of the virus, which started development ...

That was true not only for an early version of the virus from China, but also the beta variant, which first emerged in South Africa, and the closely related virus that caused the 2003–2004 SARS ...

For all their long history in vaccines, GSK and Sanofi have struggled to get a shot for COVID-19 authorised – but they have finally crossed the finish line in Europe. The European Commission has ...

"The beta variant was highly contagious as well," she said, referring to the beta strain, which was at the top of public and scientific concerns in the beginning of the year. However, it was the ...

18 cases were Delta variant (B.1.617.2), five Beta variants (B.1.351), three Kappa variants (B.1.617.1) and two Alpha variants (B.1.1.7). Cancel anytime. No ads. Auto-renewal. Unlimited access to ...