Other physicians say they rarely have had luck persuading vaccine opponents to change their minds.

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Hippos are common to this area, but locals say they rarely attack.

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This seems basic, yet planners say they are rarely questioned at length by prospective clients.

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Moreover, vaccine trials at this stage rarely fail, they say, so today's news should not be a surprise.

FORBES

They say factory jobs rarely manage to pull locals out of poverty.

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Why spend money on lawyers to fight over a movie that the L.A. Times called "nightmarish" and The New York Times called "grim to a level that many film executives say they have rarely seen on film"?

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But experts say never in huge numbers, and rarely do they appear in large increases to violent crime.

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"The local hospitals all say they've resolutely clamped down on cash gifts, but many hospital staff say that although doctors now rarely solicit them from patients, the patients find myriad ways to try to offer them, " the Nanfang Ribao newspaper reported last month.

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