what is the most common viral infection course hero

What is the best treatment for viral infections?

The immune system helps clear infections from the body. But sometimes it needs a little help. Fortunately, there are drugs and other treatments for many viral infections. The ideal treatment would wipe out an infection altogether.

What are the consequences of a viral infection for a host?

The consequences of a viral infection for a host include transformation of normal host cells to tumor cells, lytic infection that ruptures the host cell, persistent infection, and latent infection when the virus is dormant.

What is the difference between acute and persistent infections?

Acute infections are attacked by the host's immune system, and the infections diminish after a short period (days or weeks). Many enveloped viruses, however, release virions through budding rather than lysis. Thus, the infected host cells live a long time or even indefinitely. This leads to persistent infections, which can last years.

What are the different types of infection treatments?

Treatments delivered in hospitals can include things like IV fluids, electrolytes, blood transfusions, supplemental oxygen, ventilator support, and dialysis for filtering harmful molecules from the blood. The goal is to keep the patient as healthy and comfortable as possible while their body deals with the infection.

What is the most common viral infection?

The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract (nose and throat). Other common viral diseases include: Chickenpox. Flu (influenza) Herpes.

What are 5 common viral infections you have heard of?

Common Infectious DiseasesChickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items...

What are 3 types of viral infections?

A few notable examples that have garnered the attention of the public health community and the population at large include: COVID 19, Ebola, SARS, Influenza, Zika, Yellow fever, Human immunodeficiency virus (HIV / AIDS), Human papillomavirus (HPV), Viral gastroenteritis, Varicella, and Viral hepatitis.

What are 5 viral diseases?

What are Viral Diseases?Chickenpox.Herpes.Influenza.AIDS.Mumps.Measles.Viral Hepatitis.

What is a common viral infection?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers.

What are the 5 most common infectious diseases?

So, without further ado, here are the five most common infectious diseases.Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people -- that's more than one-quarter of the world's population. ... Malaria. ... Hepatitis C. ... Dengue. ... Tuberculosis.

What are the two types of viral infections?

Viral infections include:the common cold, which mainly occurs due to rhinovirus, coronavirus, and adenovirus.encephalitis and meningitis, resulting from enteroviruses and the herpes simplex virus (HSV), as well as West Nile Virus.warts and skin infections, for which HPV and HSV are responsible.More items...

What are 4 types of virus?

The main types of computer virus are as follows:Boot Sector Virus.Direct Action Virus.Multipartite Virus.Polymorphic Virus.Resident Virus.File Infector Virus.

What are the 4 types of infections?

The four different categories of infectious agents are bacteria, viruses, fungi, and parasites. When studying these agents, researchers isolate them using certain characteristics: Size of the infectious agent.

What are the types of viruses?

There are millions of viruses around the world, but here are some common types you should be aware of:File-infecting Virus. A virus that attached itself to an executable program. ... Macro Virus. ... Browser Hijacker. ... Web Scripting Virus. ... Boot Sector Virus. ... Polymorphic Virus. ... Resident Virus. ... Multipartite Virus.

Is common cold a viral disease?

The common cold is a viral infection of your nose and throat (upper respiratory tract). It's usually harmless, although it might not feel that way. Many types of viruses can cause a common cold.

What are viruses name some common diseases in human caused by virus Class 8?

Diseases caused by viruses are common cold, influenza, AIDS and dengue. Therefore, (b) is the correct answer. Tuberculosis and cholera are caused by bacteria.

What are the consequences of a viral infection?

The consequences of a viral infection for a host include transformation of normal host cells to tumor cells, lytic infection that ruptures the host cell , persistent infection, and latent infection when the virus is dormant .

How long do viruses last?

Viruses can have effects that span over days, weeks, months , or years, including persistent infections—those that can last a long time—and transforming infections—those caused by oncogenic viruses that permanently damage genetic material.

Target: Virus

Most antiviral drugs prevent infected cells from making more viruses. They work by disrupting an essential step in the viral replication cycle. A few antiviral drugs block viruses from getting into cells.

Target: The Immune System

The immune system is complicated. It’s made up of organs, cells, and molecules both large and small. Signaling molecules released from the site of infection travel in the bloodstream and throughout the body, with widespread effects. Yet scientists have learned a lot about how the immune system works.

Target: Symptoms

Another category of treatments is aimed at relieving symptoms while the immune system works on clearing the virus. This category is very broad. It includes home remedies, medical interventions that are usually delivered at hospitals, and emotional support. Some of these treatments are directed at the specific effects of a virus.