Close to 200 million individuals have had COVID-19 since it began in China late 2019. According to the World Health Organization (WHO), many other individuals have likely caught the virus but never confirmed it with a test.
Since some people experience mild symptoms, it is hard for them to know if they have the disease. Other people in remote areas also do not have the chance to go for the COVID-19 tests when they are sick. This means that a good number of people may have fallen sick and recovered or still suffer long COVID but they do not know it.
There are no particular indications that you already had COVID-19. However, there are some symptoms that you may look out for like bluish lips and pink eyes, fatigue, loss of smell or taste and other general symptoms.
Coronavirus affects different parts of the body and everybody undergoes different things when suffering from COVID-19. It could be impossible to tell if you had the disease without a positive COVID-19 test but there are some signs.
Pink eyes and bluish lips
When COVID-19 gets into the body, it goes to your cells via receptors for the enzyme known as angiotensin converting enzyme 2. This happens because the virus tricks the body that it is the vital enzyme. The enzyme receptors are got in different parts of the eyes. By affecting the epithelial cells and retina the American Centres for Disease Control and Prevention (CDC) says the eyes turn pink from the reaction.
With COVID-19 in the body, the virus interferes with the respiratory system. Once that happens, the person suffering from COVID-19 may have low levels of oxygen in the body giving the toes, fingers and lips bluish colour.
Loss of smell or taste
If there is a time when you temporarily lost your sense of smell or taste then you might have had COVID-19. According to WHO, a great number of people who suffer from COVID-19 either moderate or mild disease usually report loss of taste or smell.
Other general symptoms that could mean you have had COVID-19 without knowing it are unending headaches, joint and muscle pains, gastrointestinal problems and persistent cough.
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