A new analysis released from South Africa suggests that two doses of the Pfizer-BioNTech coronavirus vaccine are considerably less effective in battling the Omicron variant than earlier strains. The study, published by Discovery Health in partnership with the South African Medical Research Council...
Scientists have raised the alarm about the new Omicron Covid-19 variant, first identified in Botswana, with an “extremely high number” of mutations that may drive new waves of infection. So, how dangerous is it? The World Health Organization (WHO) named the B.1.1.529 variant of the novel coronavir...