Viral Diseases in Humans – Study Notes for SSC CGL

Viral Diseases in Humans: Viral diseases are caused by viruses, a type of microorganism. There are various types of viruses present in this world that are responsible for causing various types of diseases ranging from the Common cold to the more recent Covid-19.

In this blog, we will be studying the various types of viral diseases in humans which will be beneficial for the aspirants in their competitive exam preparation.

What are Viruses?

Viruses are very small microorganisms that are highly infectious in nature. They are made of DNA or RNA and have the capability to invade cells in the body and use the cell components for their growth.

In this process, the infected cells get destroyed leading to damage.

What are Viral Diseases?

Viral diseases are a group of diseases that are caused due to different types of viruses. The most common diseases are common cold, chickenpox, flu etc.

Viral Diseases in Humans

DiseaseCaused by Virus
Common coldRhinovirus
Rabies Rabies virus
Infectious hepatitis Hepatitis virus
AIDSHIV (Human Immunodeficiency Virus)
InfluenzaInfluenza virus
MeaslesMeasles virus
PoliomyelitisPoliovirus
SmallpoxVariola virus
Mumps Paramyxovirus
Encephalitis Herpex Simplex Virus
COVID-19Coronavirus
EbolaEbola virus
Nipah Virus InfectionNipah Virus
Zika virus diseaseZika virus
RotavirusViral Gastroenteritis

How Viral Diseases Spread?

Viral diseases spread in various ways, the major ways of transmission are as follows:

  • Breathing in air contaminated with droplets of virus
  • Through food or water contaminated with the virus
  • Indirect transmission by a bite from an insect or mosquito carrying the virus
  • Through body fluids
  • Through unprotected sexual contact
  • By touching the surface contaminated with the virus

Viral Diseases – Symptoms

The symptoms of viral diseases range from mild to life-threatening. Some most common symptoms are:

  • Fever
  • Headache
  • Body Pain
  • Malaise
  • Stuffy Nose
  • Breathing Difficulty in severe cases
  • Upper respiratory infection
  • Fatigue
  • Nausea and vomiting
  • Chest pain

Viral Diseases – Treatment

Viral diseases cannot be treated with antibiotics. Some of these diseases usually resolve with time and some require supportive medical therapy for improvement.

Conclusion

This blog was all about viral diseases in humans. It is an important topic that needs to be prepared by aspirants appearing for competitive exams like SSC CHSL, SSC CGL etc. We hope it will assist the aspirants in their preparation.


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