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What Viruses Cause Dry Cough

What Viruses Cause Dry Cough

If you are like most people, you are likely wondering why the novel coronavirus causes a dry cough. As we are all now acutely aware, COVID-19 swept the world in 2020 and has claimed numerous lives. One of the most common symptoms of this virus is a persistent dry cough that can be quite unsettling. So, what is it that causes this particular symptom? Let us dive into the science and explore.

The Science Behind COVID-19 and the Dry Cough

In order to understand why a dry cough is associated with COVID-19, it is necessary to first understand how the virus actually operates in the human body. COVID-19 spreads from person to person through respiratory droplets when an infected person talks, sneezes, or coughs. The virus then binds to the ACE2 protein receptors found on the surface of human cells, particularly in the respiratory tract. Once the virus has bound to these receptors, it enters the cell and begins to replicate. This leads to cell damage and inflammation in the respiratory tract, which can result in a dry cough and other symptoms such as fever, fatigue, and shortness of breath.

While the exact cause of the dry cough associated with COVID-19 is not entirely clear, it is believed to be the result of inflammation in the respiratory tract caused by the virus. The dry cough is not accompanied by phlegm or mucus, which is typically seen in other respiratory conditions such as the common cold or flu. So, while the cough may be irritating and persistent, it is not necessarily a cause for alarm.

The Link Between Viruses and Hearing Loss

While the dry cough associated with COVID-19 may be the most well-known symptom of the virus, it is not the only potential health issue to be aware of. In recent years, research has shown a connection between certain viruses and hearing loss.

In particular, there are two viruses that have been linked to hearing loss - cytomegalovirus (CMV) and the measles virus. CMV is a common virus that can cause a range of symptoms, including fever, fatigue, and sore throat. In some cases, it can also cause hearing loss. The measles virus, meanwhile, can cause severe complications, including pneumonia and encephalitis, both of which can be accompanied by hearing loss.

Preventing Hearing Loss Caused by Viruses

If you are concerned about the potential for a virus to cause hearing loss, there are several steps you can take to help protect your ears. First and foremost, it is important to take precautions to reduce your risk of contracting a virus in the first place. This includes good hand hygiene, avoiding close contact with others when possible, and wearing a mask in situations where social distancing is not possible.

If you do contract a virus and are concerned about hearing loss, it is important to seek medical attention promptly. Your healthcare provider can help determine the cause of any hearing loss and recommend appropriate treatment options. In some cases, antiviral medications may be effective in treating the underlying virus and reducing the risk of hearing loss.


While the COVID-19 pandemic has certainly raised concerns about respiratory health, it is important to be aware of other potential health issues related to viral infections. By taking precautions to reduce your risk of contracting a virus and seeking prompt medical attention if you do experience symptoms, you can help protect your overall health and well-being.

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