New covid version 25 in South Africa. affecting people younger than

According to health officials, the new Covid-19 variant, B.1.1529, detected in South Africa is mainly affecting people under the age of 25, of whom the vaccination rate against the virus is only 26 percent. Professor Anne von Gottberg of the National Institute for Communicable Diseases said that so far the variant has been detected in … Read more

Explainer: Delta dominates the world, but scientists see worrying offspring

The delta variant of the SARS-CoV-2 virus is now responsible for almost all coronavirus infections globally, driven by the uncontrolled spread of the novel coronavirus in many parts of the world. So far, vaccines have still been able to protect against serious illness and death from Delta, but scientists are cautious. Here’s what we know: … Read more

How delta, kappa variants of Covid evade the immune system

A team of US scientists has discovered how mutations and kappa variants of the COVID virus help the variant avoid detection by antibodies. Scientists at the University of Washington School of Medicine obtained plasma samples from 37 individuals aged 22 to 66 who had received two doses of Moderna or Pfizer/BioNTech or one dose of … Read more