Friedmann PS Cell-mediated immunological reactivity in neonates and infants with congenital syphilis.

It is very similar to the human roundworm parasite Trichuris trichiura due to its immunological reactivity when crossed, and so is often used in related studies.

A hemolysin activity, named NlyA, with immunological reactivity to Escherichia coli anti-HlyA antibody was identified in biovar novicida.

"Beta-Keratin Specific Immunological reactivity in Feather-Like Structures of the Cretaceous Alvarezsaurid, Shuvuuia deserti Journal of Experimental Biology (Mol Dev Evol) 255:146-157.