Colostrum (III): Immunity’s A to Z

The third in the series of columns by John Gadd on colostrum. In this column John looks at immunity. EXPERT Immunity is defined as ‘the condition of being immune (i.e. secure) against a particular disease’. In addition, it means ‘being non-susceptible to invasive harmful micro-organisms and toxins.’ There are scores of people in the world who know far more about immunity than myself. So why have I the temerity to write about this complicated but vital subject? Why this concise A