The immune system is central to human health and the focus of much medical research. Growing understanding of the immune system, and especially the creation of

The immune system is central to human health and the focus of much medical research. Growing understanding of the immune system, and especially the creation of

Bacteria form a fundamental branch of life. They are the oldest forms of life as we know it, and they are still the most prolific living organisms. They inhabit

Viruses are big news. From pandemics such as HIV, swine flu, and SARS, we are constantly being bombarded with information about new lethal infections. In this V

The human body is thought of conventionally as a biological entity, with its longevity, morbidity, size and even appearance determined by genetic factors immune