Researchers developing Australia’s first mRNA Covid vaccine say they may have solved the “immune imprinting” issue that has contributed to the declining effectiveness of boosters as the virus mutates.

Scientists say they now know what went wrong with Johnson & Johnson’s Covid vaccine - Some people who took the shots ...

Rare but deadly blood clots tied to J&J and AstraZeneca's vaccines were caused by an autoimmune reaction that some people are predisposed to, researchers found.

The clots occurred in two to three out of every 100,000 people who received the vaccine.

A new data analysis, published in Vaccine has found that women and menstruating people who had one or more mRNA-based COVID-19 vaccinations were more likely to experience changes to their menstrual ...