Is the lymph in cockscomb oil cooked and harmful?

Chicken comb oil

is a kind of oil extracted from the comb, which contains rich lymphoid tissue, which is part of the immune system, including lymphocytes and other immune cells, mainly to swallow viruses and harmful substances. These harmful substances are difficult to completely remove, even if cooked, but can not guarantee that the pathogen is completely removed, after eating may be infected with some diseases.