Antibodies Unlikely to Sway Court in Covid Jab Mandate Battle

A law professor faces long odds to convince a court that he doesn’t have to comply with his university’s Covid-19 vaccine mandate on account of his “natural immunity” from a prior infection, legal observers said.

Court rulings that have upheld vaccine mandates, as well as research and public health guidance suggesting vaccines are necessary even in cases of previous infections, stand as significant obstacles to Todd Zywicki’s lawsuit against George Mason University, observers said.

Zywicki’s legal challenge comes amid growing momentum for vaccination requirements. Hundreds of colleges have rolled out mandates for the fall semester. Walmart Inc., Tyson Foods ...