Diseases, Conditions, Syndromes

WHO: Omicron detected in 89 countries, cases doubling fast

The omicron variant of the coronavirus has been detected in 89 countries, and COVID-19 cases involving the variant are doubling every 1.5 to 3 days in places with community transmission and not just infections acquired abroad, ...

Diseases, Conditions, Syndromes

Has Delta killed the herd immunity dream?

As the Delta variant continues its global surge, experts are questioning whether the long-held goal of achieving herd immunity from COVID-19 through vaccination is still viable.

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