Commonly used steroid reduces risk of death in sickest coronavirus patients, preliminary study results suggest

The widely available steroid drug dexamethasone may be key in helping to treat the sickest Covid-19 patients who require ventilation or oxygen, according to researchers in the United Kingdom.

Their findings are preliminary, still being compiled and have not been published in a peer-reviewed journal -- but some not involved with the study called the results a breakthrough.

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