And researchers at the National Institutes of Health report finding candidalike fungus infections in the blood of AIDS victims.

Then there is the little-known family of organisms called hantaviruses, which swarm in the micro-haze above the feces of mice and rats and are hoovered into the human respiratory system by anyone unlucky enough to stick a breathing orifice near them—by lying down, say, on a sleeping platform over which infected mice have recently scampered.

a grant of land or of money

Wets, designed to channel water away from underneath the tyres, maximise grip and minimise the chance of aquaplaning.