Neutrophils
Early to the scene
an immune cell that is one of the first responders to an infection or injury; they fight by eating invaders, shooting chemicals at them, or setting web-like traps for them. Neutrophils are the most common type of white blood cell in humans.
https://en.wikipedia.org/wiki/NeutrophilEarly to the scene

Neutrophils kill germs by swallowing them, shooting them with chemicals, or setting web-like traps for them.
They are the most common white blood cell in humans, so are often the first line of defense in the body. It’s a good thing they have so many ways to fight.