You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Cellular immunity is affected by - and explain in detail?
The helper T1 cells produce cytokines, interleukin 2 and interferon gamma which activate macrophage and T cells promoting cell-mediated immunity. It also helps in the destruction of target cells and killing of intracellular pathogens. Reference : Anathanarayan & paniker's 9th edition, pg no:135 <\p>