“Herd immunity is an elusive concept and doesn ... Those mutants – such as omicron – can become better at evading the protection people have from vaccines or an earlier infection.

In January 2022, the ABS recorded 1646 deaths due to Covid in the month, while in January 2023 the figure was 753. In January ...

“Principally it demonstrates how improved immunity, through vaccination and prior infection, improved treatments and a better understanding ... the prevalence of the omicron variant was also ...

“Principally it demonstrates how improved immunity, through vaccination and prior infection, improved treatments and a better understanding ... the prevalence of the omicron variant was also ...

Thousands of people are still living with debilitating long Covid. Estimates vary but about 1.5 million people are believed ...

Scientists studying the virus’s continuing evolution, and the body’s immune responses, hope to head off a resurgence and to better understand long Covid. By Apoorva Mandavilli Apoorva ...

Moderna Inc. announced Tuesday that its next-generation COVID vaccine produced better immune results in ... a higher immune response against the Omicron BA.4/BA.5 and original virus strains ...

Four new studies led by Harvard Medical School researchers at Boston Children's Hospital reveal details about how B cells in ...

The Moderna and Pfizer-BioNTech vaccines offer immunity against COVID-19 for up ... Pfizer has updated the formula of the vaccine to provide better protection against newer variants of the virus, like ...