Question: Which Of The Following Is An Example Of A Viral Infection Quizlet

What is an example of a good virus?

Beneficial viral infections For example, latent (non-symptomatic) herpes viruses can help human natural killer cells (a specific type of white blood cell) identify cancer cells and cells infected by other pathogenic viruses..

What are some 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…

How long do viral infections last?

A viral infection usually lasts only a week or two. But when you’re feeling rotten, this can seem like a long time! Here are some tips to help ease symptoms and get better faster: Rest.

Can plant viruses jump to humans?

The answer is simply, no. Since plants are not a susceptible host for the virus that gives us the flu. VIruses are incredibly host specific, so we can’t get sick with a plant virus and plants can’t get sick with an animal virus.

Which of the following is an example of a viral infection?

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.

Which one of the following is an example of a persistent viral infection in humans?

Varicella-zoster virus, measles virus, HIV-1, and human cytomegalovirus are examples of viruses that cause typical persistent infections.

What are symptoms of viral infection?

SymptomsRunny or stuffy nose.Sore throat.Cough.Congestion.Slight body aches or a mild headache.Sneezing.Low-grade fever.Generally feeling unwell (malaise)

Can some viruses last months?

In most types of viral infection, the immune system clears the virus from the body within days to a few weeks. But some viruses cause persistent or latent * infections, which can last for years. In these cases, a person may get infected and seem to recover or may not be aware of being infected at all.

Which of the following are found in viruses?

All viruses contain the following two components: 1) a nucleic acid genome and 2) a protein capsid that covers the genome. Together this is called the nucleocapsid. In addition, many animal viruses contain a 3) lipid envelope. The entire intact virus is called the virion.

Can a viral infection last months?

Acute infections, which are short-lived. Chronic infections, which can last for weeks, months, or a lifetime. Latent infections, which may not cause symptoms at first but can reactivate over a period of months and years.

Do viral infections go away?

Examples of viral infections Unlike bacterial infections that respond to antibiotics, viral infections are not so easy to treat. Many, like colds, run their course and your body heals on its own, but others, like HIV, do not. Some of the more common viruses include: COVID-19, caused by a novel coronavirus.

Can viral infections be cured?

For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.

How do viruses work in the body?

It invades a cell, inserts its DNA and creates thousands of copies of itself, bursts through the cell membrane, killing the cell, and each new viral strand invades new cells replicating the process. In the lysogenic cycle, viruses remain dormant within its host cells. The virus may remain dormant for years.

How Viruses are transferred?

Viruses can be transmitted in a variety of ways. Some viruses can spread through touch, saliva, or even the air. Other viruses can be transmitted through sexual contact or by sharing contaminated needles. Insects including ticks and mosquitoes can act as “vectors,” transmitting a virus from one host to another.

How can you tell if it’s viral or bacterial?

Bacterial Infections Symptoms persist longer than the expected 10-14 days a virus tends to last. Fever is higher than one might typically expect from a virus. Fever gets worse a few days into the illness rather than improving.