Coronavirus Symptoms and Diagnosis

Coronavirus is the most common viral disease in the world. It affects almost half the population of Canada and about 12% of the United States. The name Coronavirus comes from the Greek word Coron which means “smooth”. The disease occurs when a strain of the virus affects the cells that line the nose.



Coronavirus is caused by a coronavirus named SARS-CoV-2, also known as Coronaviridae. It infects the cells lining the nasal passages and respiratory tract. The disease is most commonly spread when nasal secretions containing live viruses are inhaled, ingested, or come into contact with an infected person’s skin. People who have long-standing respiratory conditions like asthma or COPD or people with severe underlying medical conditions such as heart or lung disease are at increased risk for getting Coronavirus, though young children and teenagers are also susceptible to the disease. Symptoms typically include fever, headaches, lethargy, muscle aches, loss of appetite, stiffness of muscles, frequent diarrhea and vomiting, and dark circles under the eyes. The symptoms get worse quickly if the disease is not treated.


Testing for Coronavirus can be done through blood tests

When the virus enters the bloodstream, it will be detected by antibodies in the blood which will then indicate whether the individual has contracted Coronavirus or not. However, some individuals can also contract the disease through indirect means. For example, exposing some people to bacteria or viruses through contaminated objects.


Two kinds of antibodies are recognized to fight Coronavirus

These are known as broadly neutralizing antibodies and tropomyosin immunoglobulin G (TIAG) antibodies. Based on lab results, hospital admission may be required for some patients with suspected Coronavirus infection. For severely ill or elderly patients, however, non-hospitalized adults can apply for a “mild” or “severe” case of Coronavirus infection and be granted emergency use authorization to self-refer to specialized medical facilities.


A novel type of Coronavirus strain was recently found to have been living inside human guts since the beginning of the twentieth century

This strain is called MRCV and was first identified in South Africa. Clinical symptoms in this rare infection include fever, rash, severe muscle and joint pain, vomiting, nausea, and abdominal bloating. In most cases, patients only experience the onset of symptoms after two days of infection. On average, the incubation period of the virus is between one and two weeks. Unlike most strains, were also do not usually produce any outward signs, indicating that the infection has not yet spread to other areas of the body.


the virus is spread from the nasal cavity to the rest of the body

The possibility of Coronavirus spreading to the eyes lies in how the virus is spread from the nasal cavity to the rest of the body. When swallowed or inhaled, the virus spreads through the bloodstream where it then causes inflammation of the eye capillaries. While this inflammation can spread into the surrounding tissues, it is not uncommon for the infection to only spread to the eye. Coronavirus symptoms tend to start similar to common colds, which explains why many people mistake them for allergies before considering any type of Coronavirus diagnosis.

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