“To a health care professional, ‘mild’ means you’re not getting hospitalized,” said Megan Ranney, academic dean at the Brown University School of Public Health.
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But, she said: “Omicron symptoms can range from absolutely no symptoms to a really mild cold to something where you are in bed with shakes and chills, and have a horrible cough and are fatigued and headachy for weeks. Those are all ‘mild.'”
A “severe,” illness means you’d likely have symptoms such as very low oxygen levels, kidney damage and heart impairment, she said.
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