Science & technology | Diagnostics

Under the influence

|OKLAHOMA CITY

“YOU'VE got a virus” is one of the commonest and least helpful clichés that can emerge from the lips of a doctor. What makes it worse is that there is frequently no way of knowing for sure whether it is true. No way, that is, which can be administered quickly and easily in the surgery of a busy general practitioner.

This article appeared in the Science & technology section of the print edition under the headline “Under the influence”

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