new coronavirus variant

Treatment shows effectiveness against several coronaviruses, including Covid-19, variants, says US university

Omicron variant has cast doubt on global efforts to fight the pandemic, forcing countries to re-impose measures

New variant prompted countries to announce new travel restrictions, raises doubts over Covid-19 vaccines efficacy

Full impact of this decline will be realised on Dec 15 pricing, says finance ministry spokesperson

WHO says it would take weeks to determine how effective vaccines were against the variant

Any quick approval is unlikely as India is scrambling to expand its own domestic vaccination drive, says official

Three cases were found in England and another three in Scotland, health officials said

Moderna expects immunity from its vaccine to protect against the variants

Initial analysis suggests that this variant is growing faster than the existing variants, says health secretary