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 ...

Prior COVID-19 vaccination did not stop the immune system from mounting a protective response to the delta and omicron strains, though new mutation-specific antibody production dipped slightly, ...

Where new cases of the Delta variant of COVID-19 came from remains a mystery - but it has been revealed two Australians had it before the current infections.

SARS-CoV-2 possesses a characteristic surface protein, the spike protein, which plays a central role in viral entry into host cells. The evolution of spike protein mutations has been an important ...