Bacillus Calmette-Guérin (BCG) is one of the world’s oldest and most widely used vaccines. It was developed in the early 20th century to provide protection from tuberculosis. Surprisingly, this ...

The innate immune system serves as the body's first line of defence, rapidly detecting and responding to external pathogens and internal damage. Recent advances in the field have highlighted the ...

A leading medic has explained why some people don't catch Covid-19. She said there were four main reasons why some people are immune - and said a new study has been launched to dig deeper. Speaking on ...