In medicine, the hygiene hypothesis states that early childhood exposure to particular microorganisms (such as the gut flora and helminth parasites) protects against allergic diseases by contributing to the development of the immune system.
Eosinophils are multifunctional granulocytes that contribute to initiation and modulation of inflammation.
This is because parasitic worms have evolved strategies to block parts of the human immune system.
Learn more about hygiene hypothesis here:
https://brainly.com/question/15188231
#SPJ4