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COVID19 Symptoms in detail | Corona Virus Symptoms | Corona Disease Symptoms | Basic Science Series

COVID19 Symptoms in detail | Corona Virus Symptoms | Corona Disease Symptoms | Basic Science Series

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 affects different people in different ways. Infected people have had a wide range of symptoms reported – from mild symptoms to severe illness.

Symptoms may appear 2-14 days after exposure to the virus. People with these symptoms may have COVID-19. These symptoms may include Fever or chills, Cough, Shortness of breath or difficulty breathing, Fatigue, Muscle or body aches, Headache, New loss of taste or smell, Sore throat, Congestion or runny nose, nausea or vomiting, Diarrhea, persistent pain or pressure in the chest, Inability to wake or stay awake and Bluish lips or face. Let’s discuss these symptoms in detail.

Fever is defined as having a temperature above the normal range due to an increase in the body's temperature set point. A fever can be caused by many medical conditions ranging from non-serious to life-threatening.

A cough is a sudden expulsion of air through the breathing passage that can help clear the fluids, irritants, foreign particles, and microbes. Frequent coughing usually indicates the presence of a disease. A cough can be the result of a respiratory tract infection such as the common cold, COVID-19, acute bronchitis, pneumonia, pertussis, or tuberculosis.

Shortness of breath (SOB), also known as dyspnea, is a feeling of not being able to breathe well enough.

Fatigue is a feeling of tiredness. It may be sudden or gradual in onset. It is a normal phenomenon if it follows prolonged physical or mental activity, and resolves completely with rest.

Myalgia, also known as muscle pain or muscle ache, is a symptom that presents with a large array of diseases.

Headache is the symptom of pain in the face, head, or neck. Headaches can occur as a result of many conditions.


The main causes of taste disorders are infections of the upper respiratory tract, head trauma, exposure to toxic substances. Ageusia is the loss of taste functions of the tongue, particularly the inability to detect taste. Anosmia, also known as smell blindness, is the loss of the ability to detect one or more smells.

Sore throat also is known as throat pain, is pain or irritation of the throat. It is usually caused by pharyngitis (inflammation of the throat), tonsillitis (inflammation of the tonsils), or dehydration, which leads to the throat drying up.


Nasal congestion is the blockage of nasal breathing usually due to membranes lining the nose becoming swollen from inflamed blood vessels. In about 85% of cases, nasal congestion leads to mouth breathing rather than nasal breathing. In addition to nasal congestion, COVID19 patients may also experience Rhinorrhea. It is a condition where the nasal cavity is filled with a significant amount of mucus fluid.

Nausea or vomiting is a diffuse sensation of unease and discomfort, often perceived as an urge to vomit.

Diarrhea is the condition of having at least three loose, liquid, or watery bowel movements each day. It often lasts for a few days and can results in dehydration due to fluid loss.

This virus attacks the lung cells therefore chest pain or pressure in chest main be an important sign of this deadly virus.

The inability to wake and stay awake is an important symptom of the disease.

Cyanosis is the bluish discoloration of the skin or mucous membranes due to the tissue near the skin surface having low oxygen saturation.

However, if you observe any indication of sickness then please closely look for the warning signs for COVID-19 and seek emergency medical care immediately. I repeat seek emergency medical care immediately. Older adults and people who have severe underlying medical conditions like heart or lung disease or diabetes seem to be at higher risk for developing more serious complications from COVID-19 illness. Wear mask stay home and stay safe. Follow guidelines for COVID19 infections and together we can win this war against coronavirus.


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Disclaimer: The information provided is for educational purposes only. For professional medical advice, please contact your medical professional.
The original source of the information:
This content is available under a creative commons license: CC-BY-SA




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