Perhaps more troubling are false negatives, which erroneously reassure people they’re healthy when they aren’t, potentially hastening the spread of disease.

Cladding systems created gaps and vents which produced a 'chimney effect' that hastened the spread of fire, they said.

Exterior renovations were said to have hastened the spread of the fire.

Punch biopsies are contraindicated in suspected melanomas, for fear of seeding tumor cells and hastening the spread of the malignant cells.

This hastened the spread of cocoa among both cultures.