What is the immune system and how do you strengthen it? Expert tips on boosting your defences

You’ve heard this word a lot in the last two years: immunity. And you’re going to be hearing it a lot this winter, as Covid-19 and its latest mutation carry on just as flu season begins.Immunity is the protection our immune system delivers. Made up of cells, antibodies and chemical mediators that protect the body from infections, that system includes multiple layers and barriers – like your skin and the cilia, or tiny hairs, that line your airways – as well as special cells that recognise and…

Read the original article at South China Morning Post