Which are the most common viruses?
7 Remarkably Common Viral Infections Explained
- The Common Cold. Most adults get two to four colds a year, while children may get several more.
- Influenza (The Flu) Influenza is the virus that causes the seasonal flu.
- Gastroenteritis (Stomach Flu)
- Some Ear Infections.
What are the 3 most common viruses?
- fifth disease.
- chikungunya virus infection.
What is one important characteristic of a virus?
Viruses can replicate only by infecting a host cell. They cannot reproduce on their own. Viruses are not cells; they are a strand of genetic material within a protective protein coat called a capsid. They infect a wide variety of organisms, including both eukaryotes and prokaryotes.
Are there any human diseases caused by viruses?
Human Diseases Caused by Viruses. When a cell is infected with a virus several effects may be seen. Many viruses cause no harm or disease whatsoever. However, some viruses may attack certain cells and multiply within them.
Which is the most common virus in the world?
Dengue disease is named after the virus that causes it (dengue). It is one of the most common viral diseases in the world, infecting more than 100 million people annually. Like yellow fever, it is transmitted through the bite of the Aedes Aegypti fly.
What kind of virus causes a common cold?
Parainfluenza Virus Infections Common Cold caused by Rhinovirus Hepatitis A caused by Hepatovirus Molluscum Contagiosum (pediatric) Human Metapneumovirus Infections (respiratory) Respiratory Syncytial Virus Infections (children)
What are the symptoms of a common virus?
It usually affects the respiratory tract, and is often mistaken for a cold during the first stage of development. The most common symptoms of this disease are headache, fever, malaise, body weakness, dry cough, vomiting, diarrhea and sore throat.
What are 3 viral diseases?
List of nine important viral diseases seen in humans: 1. Chickenpox 2. Smallpox 3. Poliomyelitis 4. Measles 5. Mumps 6. Rabies 7. Trachoma 8. Influenza 9. Hepatitis .
What is the most lethal virus?
Among the most lethal viruses are Ebola, Marburg, Machupo. Lassa, Denge, Swine Flu, Bird Flu, and rabies.
What are some human diseases that virus causes?
Fast facts on viruses Viruses are living organisms that cannot replicate without a host cell. They are considered the most abundant biological entity on the planet. Diseases caused by viruses include rabies, herpes, and Ebola. There is no cure for a virus, but vaccination can prevent them from spreading.
What are the most common types of viruses?
The most common viral infections are the rhinoviruses, enteroviruses and the influenza virus.