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Symptoms of the coronavirus: the first and new signs of Covid-19

52% of people infected with the coronavirus are said to be asymptomatic. For others, the symptoms vary, ranging from a bad cold (runny nose, sore throat, fever), to vomiting, severe headache, very dry skin … What are the first signs of the disease? When do they appear? What if they persist?

The symptoms of the coronavirus are increasingly well known, although they vary enormously from person to person. Among the new symptoms, more rare, there are: unexplained tachycardia, unexplained discomfort, sudden change in mental state (inattention disorders …), sudden decrease in blood pressure, hypoxia (decrease in the amount of oxygen that blood distributes to tissues), falls or even chills.

On the other hand, one in two people (52%) tested positive for the coronavirus would be asymptomatic. That is, they have very few or no symptoms. This absence of symptoms is especially visible in young people, under 44 years old.

For others, How long before symptoms appear?

Among the symptomatic persons, 25% had presented symptoms the day or the day before the sample; 54% between 2 and 4 days before the sample, 20% between 5 and 7 days before the sample and 1% more than 7 days before the sample.

Symptoms suggestive of Covid-19 include cough, fever, loss of taste or smell, fatigue, difficulty breathing, diarrhea, rashes on the skin, or discoloration of the fingers or toes. But sometimes, infection with SARS-COV2 can cause symptoms that are persistent or appear late, beyond 3 weeks after the first clinical manifestations.

So how do you know if a fever, headache, fatigue or diarrhea are signs of infection that should be screened for? In what order do the symptoms appear? Are they the same in men as in women? What to do when the symptoms last? Or when they come back several weeks later? Answers:

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