The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

Delta deadliest among COVID-19 variants, say CCMB scientists. Five different SARS-CoV-2 variants were chosen and scientists ...

Brett Sutton says it’s of ‘significant concern’ and it has international authorities worried - but what is the dreaded new ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

Employment in the leisure and hospitality sector was unchanged after gains averaging 377,000 per month over the prior three ...