Although other symptoms have been reported by doctors for months, the CDC only had three listed on their site: fever, cough, and shortness of breath or difficulty with breathing.
But on April 18, they quietly added six more: headache, chills, repeated shaking with chills, muscle pain, headache, sore throat, and new loss of taste or smell.
For some reason, they never made a public announcement about the changes to their list, and "the agency did not immediately respond to questions about the revised list," according to The New York Times.
Also from the NYT:
While people who become seriously ill from coronavirus infection primarily have acute respiratory distress, other symptoms that accompany the disease can vary widely, doctors and researchers have reported.
It has turned out, for example, that many people with Covid-19 don't have fevers or that their fevers wax and wane and are sometimes accompanied by chills.
Shortness of breath can emerge at the same time as other symptoms or it can crop up suddenly a week or even 10 days after a person has been experiencing more manageable symptoms like cough and aches.
Some people report a notable loss of smell and taste, an effect that can also occur with other respiratory infections.
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