Transmission electron micrograph of multiple bacteriophages attached to a bacterial cell wall; the magnification is approximately 200,000. Credit: Professor Graham Beards, Wikimedia .

This was the fundamental basis for modern immunology. Scanning electron micrograph of a human T lymphocyte (also called a T cell) from the immune system of a healthy donor. Credit: NIAID In the early ...

Academy of Scientific and Innovative Research, CSIR-Human Resource Development Centre, Campus Postal Staff College Area, Ghaziabad, Uttar Pradesh 201002, India ...