The incidence of infection by a powerful new computer worm appeared to slow yesterday, but security experts warned that there might be ongoing effects.

"The incidence of substance abuse appears to be high," the doctor went on.

And the incidence of common ailments does not appear to fluctuate significantly from region to region.

The incidence of reported major gastrointestinal bleeding events also appeared to be dose-related.

AT&T's incidence of dropped calls also appears to be increasing, while the other three carriers are trending down.

Its incidence appears to be unusually high among Rashaida camels.

What's also alarming is that the incidence of nonmelanoma skin cancers, which are far more common, appears to be increasing nationwide.

However, the incidence appears to be leveling off with recent evidence of reduced prevalence and lower overall numbers.

Although researchers have yet to understand fully what causes reflux, they do know it is not uncommon, and its incidence appears to be rising.

The incidence of type 1 diabetes seems to be increasing, and there appears to be an increase among young children, especially from birth to age 4.