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You have heard about common symptoms ofcoronavirus: Cough, fever and shortness of breath. But according to Andrew Chan, a professor of immunology and an infectious disease at Harvard T.h. Chan School of Public Health, a symptom is a sure sign that you had Covid-19. Read more about what it sounds - and if you should be worried. Read on and ensure your health and health of others, do not miss theseWithout signs that you have already had coronavirus.

Chan, co-founder of theApplication of study Symptom Covid, whose data is used by researchers around the world, says it detects more cases of skin bumps and inflammation raised on the fingers and toes and toes of the fingers and toes - and that it should be considered a key diagnostic sign of the disease. . In fact, many people know these strange dermatological manifestations in the absence of any other symptom. The researchers noted three types of rashes - click for each.

(urticaria)

Sudden appearance of raised bumps on the skin that come and that go very quickly above the hours and are usually very demolished. This can involve any part of the body and often begins with intense itching of palms or soles and can cause swelling of the lips and eyelids. These rashes can come pretty early in infection, but can also last long.

(erythema erythema papular or erythemato-vesicular)

Areas of small red bumps that can occur anywhere on the body, but especially elbows and knees as well as the back of hands and feet. Cutaneous rash can persist for days or weeks.

(Chilblains)

The reddish and purplish bumps on the fingers or toes, which can be painful but not usually itching. This type of skin rash is more specific to Covid-19, is more common in people with disease and tends to present later.

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"Even though skin rashes may not be as common in Covid, the fact that they arise, the fact that they are a more specific sign, emphasize how important it is to assess their prevalence and prediction. , "Chan explained in an interview withVox.

"Many viral infections can affect the skin. It is not surprising that we saw these rashes in Covid-19", "study Dr. Veronique Bataille, Dermatologist Consultant at Saint-Thomas Hospital and King's College London, explained in aPress release.

"However, it is important that people know that in some cases a rash can be the first or unique symptom of the disease. So if you notice a new rash, you must take it seriously by insulating and testing as soon as possible possible. "

As for yourself, avoid capturing Covid-19: wear your face mask, do you test if you think they have coronaviruses, avoid crowds (and bars and evenings of the house), practice social distancing, only manage essential races, wash your hands regularly, disinfect regularly frequently affected, and to cross this pandemic at your healthier, do not miss these35 places you are most likely to catch Covid.