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Zika Virus” Essay
Example of the Zika virus infection
An essay on the zika virus
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Zika Virus The Zika virus, has as of lately come to the forefront just as sudden as the Ebola virus outbreak, back in 2014. Currently, not much is known with certainty about Zika, however, it is speculated there is a link between it and congenital malformations seen in newborns and other brain involved ailments which have been compared with the demyelization as it is seen in Multiple Sclerosis.
Discovery
Zika virus or ZIKV, which is an Arbovirus of the flavivirus genus belonging to the flaviviridae family, is a mosquito-borne virus that was first identified in 1947 by scientists who were conducting some research in the Zika Forest, located in Uganda. The Zika forest with its luscious foliage of around “135 species
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The Zika virus was detected in the blood of a 10-year-old Nigerian girl who presented with a low grade fever, a headache and seemingly had evidence of malaria. (Bank, …show more content…
However, the Zika virus has also been connected with other abnormalities such as eye defects, impaired growth and hearing loss. (CDC.com). It remains questionable if pyriproxyfen, a pesticide frequently used to control the mosquito population is also intertwined with the cases of microcephaly and other birth defects surrounding the Zika virus.
Newer studies also reveal the possibility that Zika is linked to an auto immune disorder called acute disseminated encephalomyelitis (ADEM). This disorder is similar to Multiple Sclerosis, which attacks the myelin sheath of the nerve fibers of the brain and spinal cord.
Zika has also been linked to temporary paralysis as seen in Guillain-Barre syndrome. In some cases, this paralysis is so severe that the person has to be placed on a ventilator in order to sustain life. Continued research is being conducted in this area and this has of yet to be
Poliomyelitis was the term used by doctors to describe the condition in which the gray (polios) anterior matter of the spinal chord (myelos) was inflamed (-itis). Until a cure was discovered, no one had the slightest idea where "polio" had come from or why it paralyzed so many children. People learned later that, oddly enough, it was the improved sanitary conditions which caused children to be attacked by the virus. Since people were no longer in contact with open sewers and other unsanitary conditions which had exposed them to small amounts of the polio virus as infants, when paralysis is rare, the dis...
... affecting the peripheral nervous system. Ascending paralysis, weakness beginning in the feet and migrating towards the trunk, limbs and the head, is the most common symptom, and some subtypes cause change in sensation or pain, as well as dysfunction of the autonomic nervous system. It can cause life-threatening complications, in particular if the respiratory muscles are affected or if the autonomic nervous system is involved. The disease is usually triggered by an infection. The diagnosis is usually made by nerve conduction studies and with studies of the cerebrospinal fluid. With prompt treatment by intravenous immunoglobulin’s or plasmapheresis, together with supportive care, the majority will recover completely. Guillain Barré syndrome is rare, at one to two cases per 100,000 people annually, but is the most common cause of acute non-trauma-related paralysis.
Multiple sclerosis - is an autoimmune disorder that affects the central nervous system including the spinal cord and brain.
Random mutations- genes that control brain development .Maternal infections that affect the developing fetus. Fetal stroke, a disruption of blood supply to the developing brain Lack of oxygen to the brain (asphyxia) related to diffic...
West Nile Virus has emerged in recent years throughout the temporate zones of Europe and North America. Causing a variety of conditions in its hosts, the most serious manifestation of WN virus infection is fatal encephalitis (inflammation of the brain) in humans and horses, and many birds.
Mosquitoes, fever and even death may be some of the things that come to mind when we're asked to think about West Nile Virus. Many of us would consider mosquitoes a small trade-off for what the summertime provides, but what if there were more at risk than a bump above your skin and an itch? In a not so distant past West Nile Virus ascended into news broadcasts all throughout the country and alarming it's residents. Today however, that all seems to be an afterthought. The intentions today are to cover the first found cases of West Nile Virus, the symptoms of West Nile Virus, and finally West Nile Virus' impact on the United States. Through the research here, the hope is that we can all have a better understanding of how West Nile Virus works.
It is also estimated that approximately two and half million people are living with the disease... The name multiple sclerosis refers to the scars that are present in the brain and spinal cord is seen on an MRI. An autoimmune disorder is where a person’s immune system mistakes its own white blood cells as invaders and begins to attack itself damaging healthy body tissue. In these types of disorders, the immune system cannot tell the difference between healthy cells and antigens, which are foreign invaders like bacteria and viruses. Because of the damage, it does to the nerve cells; nerve signals can either slow down or stop completely. Inflammation, or the body’s reaction to infection, is what causes this nerve damage to happen. Multiple sclerosis is most commonly seen in the brain, optic nerve, and spinal cord and often leads to physical and cognitive
Multiple Sclerosis (MS) is a complicated chronic deteriorating disease that has an effect on the central nervous system (CNS). This disease causes destruction of the myelin around the nerve fibers. “The exact etiology of Multiple Sclerosis is unknown; however, it is thought to be an immune mediated disease. MS is characterized by CNS inflammation, demyelination, and axonal loss” (Compston & Coles, 2008). Typically, it is described by early relapses and remissions of neurological signs of the CNS. This is known as relapsing-remitting MS (RRMS). MS can be identified by a variety of known risk factors. Multiple Sclerosis can be brought on by a mixture of inherited and environmental risk factors such as smoking or an exposure to a virus like Epstein Barr. The inflammatory process has an interesting role on the central nervous system.
Vaccines have been around for hundreds of years starting in 1796 when Edward Jenner created the first smallpox vaccine. Jenner, an English country doctor noticed cowpox, which were blisters forming on the female cow utters. Jenner then took fluid from the cow blister and scratched it into an eight-year-old boy. A single blister came up were the boy had been scratched but it quickly recovered. After this experiment, Jenner injected the boy with smallpox matter. No disease arose, the vaccine was a success. Doctors all around Europe soon began to proceed in Jenner’s method. Seven different vaccines came from the single experimental smallpox vaccine. Now the questions were on the horizon. Should everyone be getting vaccinations? Where’s the safety limit? How can they be improved? These questions needed answers, and with a couple hundred years later with all the technology, we would have them(ncbi.nlm.nih.gov).
A few days ago, the first case of the Zika virus discovered in Dallas, Texas. The Zika virus is spread by mosquitos and can be contracted through sexual contact with an infected individual. Prior to this incident, experts were not able to tell whether the virus could be contracted through sex. Some major symptoms of the virus include joint aches, skin rash, fever and reddened eyes. According to William E. Scheweizer, only “1 out of 5 people” will display these virus symptoms. Many birth defects are also linked to the Zika virus, including a condition where infants are born with extremely small heads. In hopes of detecting early signs of the Zika virus, doctors have started to screen pregnant women. They also
These researchers endeavored to discover whether the Zika outbreak could be adequately tracked and predicted through topological data. The study briefly described other models that have been used to comprehend and deter the spread of the Zika Virus. These include a SEIR model based on fundamental epidemic theories based on the transmission rates of vector diseases, an ARIMA model which utilizes the correlation between weather changes and dengue surveillance to project Zika, and stochastic models that ascertained the areas in Texas that had the highest risk of transmission in Texas. While all of these models had their merits, the study details the ways in which their dependence on things like reporting rates, vector abundance, and time-series data. The model used by these epidemiologists utilized the data established through mosquito population topology to predict the number of Zika virus cases in Brazil.
The zika virus is a virus that is spread most by the bite of a mosquito bite of an infected mosquito. It is a worldwide disease that has had over 2,000 victims over the past year. It caught many people by surprise when the zika virus was first discovered in 2015. The location with the fewest cases of the zika virus is Texas. Texas has had fewer than ten cases sense zika was first discovered.
Zika virus arrived in the United States last summer first reports in Brownsville, Texas and Miami, Florida. Causes birth defects on newborn baby’s that were born to some infected pregnant women. Baby’s are usually born with undeveloped heads and brain damage. Linked to Guillain-Barre syndrome, a condition where the immune system attacks the nerves. Mostly passed through mosquitos but can also be sexually transmitted. CDC advises pregnant women to postpone trips to south America Florida, South Texas or Mexico as this is where the disease mostly comes from. It was first identified in Uruguay in 1947. Transmitted by Aedes mosquitoes, the same type of mosquito that carries dengue fever, yellow fever, and chikungunya virus. Mosquitoes bite an infected
What are Measles? Measles are a disease that you can get without getting your measles shot from a doctor. Measles is a case that can be helped but you need a certain vaccine to help you.even though the vaccine helps you there have been some recant cases of measles.
Ebola has been going around in the media for quite some time now. People are wondering if they should fear it or if the U.S has it under control. This disease is not a new disease, it's just been getting spread more now and is getting spread rapidly. Ebola has been out there for about 40 years in small places, it is a deadly disease and there are also plenty symptoms to this infection called Ebola.