Seeking the ghost of worms past.

Woolhouse, M E; Hagan, P · Nat Med · 1999

review · Level V

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Abstract

The mechanisms of protective immunity to parasite infections in humans are still elusive. Here, Woolhouse and Hagan discuss new evidence suggesting that the extremely slow development of acquired immunity to human schistosomes may depend on exposure to antigens from these worms after they die.

Medical subject headings