The presence of two or more long term health conditions known as multimorbidityis linked to a 48% higher risk of a positive COVID-19 test.

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While it is well recognized that the risk of a severe COVID-19 infection is linked to certain long-term health conditions, little is known, so far, about the effects of multimorbidity and polypharmacy (taking multiple medications) on the risk of a serious coronavirus infection.

Now, a new study led by the University of Glasgow and published today in PLOS ONE, is the first to link both multimorbidity and polypharmacy with the risk of having a positive COVID-19 test.