What is a common virus?
When most people hear the word “virus,” they think of disease-causing (pathogenic) viruses such as the common cold, influenza, chickenpox, human immunodeficiency virus (HIV), SARS-CoV-2 and others.
Viruses can affect many areas in the body, including the reproductive, respiratory, and gastrointestinal systems..
How many types of viral infections are there?
Viral infections. Viral infections occur due to infection with a virus. Millions of different viruses may exist, but researchers have only identified about 5,000 types to date.
Are viruses living?
Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.
What are the top 5 common viral infections?
Other common viral diseases include:Chickenpox.Flu (influenza)Herpes.Human immunodeficiency virus (HIV/AIDS)Human papillomavirus (HPV)Infectious mononucleosis.Mumps, measles and rubella.Shingles.More items…
What are 3 common viruses?
These include:smallpox.the common cold and different types of flu.measles, mumps, rubella, chicken pox, and shingles.hepatitis.herpes and cold sores.polio.rabies.Ebola and Hanta fever.More items…•
What are the most common viral infections?
Types of viral infections The most common respiratory infections are upper respiratory infections, which include sore throat, sinusitis, and the common cold. Other viral respiratory infections include influenza, pneumonia, and coronaviruses.