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Causes of Viral Fever

Uncover the underlying reasons behind viral fever and learn how to recognize its causes and symptoms for timely intervention.

  • 06 Oct 2023
  • 3 min read

The typical body temperature for most individuals hovers around 98.6°F (approximately 37°C). If the temperature rises by one degree or more, it's classified as a fever. Fever often indicates your body's battle against bacterial or viral invaders. Viral fevers result from underlying viral illnesses. Viral illnesses generally encompass a range of infections. Infections include the common cold and flu. Many viral infections manifest as a mild fever, but certain ones, like dengue fever, can lead to more severe fevers. By understanding the causes of viral fever you can quickly adopt suitable preventive measures.


How is Viral Fever Caused?

The following are some of the most commonly known causes of viral fever.

  • Viruses can be most commonly transmitted through the inhalation of air droplets. These tiny droplets are released into the air when an infected person coughs, talks, or sneezes without properly covering their face. When you inhale these droplets, you become susceptible to infection. This mode of transmission is particularly concerning in crowded or close-contact settings.
  • One of the most popular causes of viral fever is through contaminated food items. Viruses can infect foods, causing a high risk to individuals who consume these affected products.
  • Certain viruses, including those responsible for diseases like malaria and dengue, can be transmitted through mosquito bites.
  • The monsoon season, characterised by stagnant water that fosters mosquito breeding. This often leads to outbreaks of mosquito-borne illnesses.
  • It is important to protect yourself from mosquito bites and employ mosquito control measures to prevent the transmission of viruses.
  • Viruses such as those causing viral fever, hepatitis B, and HIV can be acquired through the exchange of bodily fluids. This can happen during medical procedures like blood transfusions and accidental needle pricks with infected needles.

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The following are some of the risk factors that can be causes of viral fever.

  • Individuals with preexisting health conditions may have compromised immune systems. This makes them more vulnerable to viral infections. They should take extra precautions to protect themselves.
  • Travelling to regions with ongoing viral outbreaks or returning from such areas can expose individuals to infection. Staying informed about travel advisories and following recommended guidelines is crucial.
  • Sharing personal belongings, such as towels, with an infected person can also increase the risk of viral transmission.


Understanding the causes of viral fever is extremely important to safeguard your health. From a simple cold to dangerous diseases like dengue, viral infections are at the root. By grasping the origins and risks fully, you can take proactive steps to prevent its spread. Safeguard yourself and those around you. Also, ensure that you have a health insurance plan in place to safeguard yourself against any financial stress. 

Disclaimer: The above blog aims to provide general information about health and related topics. Any information provided in this blog, website or in any linked materials is not intended and should not be considered, or used as a substitute for any medical advice, diagnosis or treatment. It is important that you contact your Doctor before starting a new medicine or health regime.

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