disease-proof

He spent the first six months of his life in, he later wrote, a "marsupial sanctuary inside my mother's clothing," and his early childhood living in a supposedly disease-proof elevated, tented six-by-six-foot crib set outside.

The Structure of Success in America 1995

If children are given natural food in normal quantities they are disease-proof.

Maintaining Health Formerly Health and Efficiency R. L. Alsaker

There is no such thing absolutely, and perhaps there never will be, any more than there is a disease-proof wheat, or dog, or horse, or man.

The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition Sutton and Sons