Another Method To Trigger The Immune System To Fight Against Cancer Tumors. This Involves Activating The Immune System Response At Cancer Tumor Sites By Injecting Tumors With Flu Vaccine. The Process Was Said To Slow Tumor Growth In A Test Mice Lungs, But Not In The Muscles. More Studies Are Required To Effectively Use This Process.
Injecting the flu vaccine into a tumor gets the immune system to attack it | Ars Technica
Activating the immune system at the site of a tumor can re-engage the immune system.