Immune system Microbes and the human body

immune system We tend to take our immune systems for granted But they work hard to keep us healthy This complex system of cells is the body's primary defense system,

The immune system is a network of biological systems that protects an organism from diseases It detects and responds to a wide variety of pathogens, system789 COVID-19 vaccines If you have a weakened immune system due to a health condition or medical treatment, and you are aged 6 months or over, you