Is “Self vs. Non-Self” in Immunology as iron-clad as we thought?
Mike Magee In 1872, English mathematician and sometimes poet, Augustus de Morgan, wrote this catching rhyme: “Great fleas have little fleas upon their backs to bite ‘em, And little fleas have lesser fleas, and so ad infinitum.” This truism about competition among species for access to nutrition and reproduction could have come in handy to […]

