Epidemiology poliomyelitis became an epidemic disease in the united states at the turn of the century. Poliomyelitis genetic and rare diseases information. If youre behind a web filter, please make sure that the domains. History associated with man since ancient times egyptian hieroglyph indicates presence since 1400 bc 1840 heinle characterizes poliomyelitis poliomyelitis grey marrow in greek 1954 salk vaccine 1960 sabin vaccine 1991 molla produces polio in vitro from virus rna 2002 completele synthetic production. Picornaviruses, polio virus authorstream presentation. Following the introduction of polio vaccine there has been a dramatic decrease in polio infection in australia.
Universal vaccination in early childhood is the best way to prevent and eradicate. Most infections cause mild disease, however, the virus can affect the cells of the central nervous system causing paralysis. Flaccid asymmetric weakness and muscle atrophy are the hallmarks of its clinical manifestations, due to loss of motor neurons and denervation of their associated skeletal muscles. In the decade since this deadline was missed, the initiative has suffered a number of setbacks, notably in the tropical world. Epidemics of everincreasing magnitude occurred, with over 20,000 cases of paralytic poliomyelitis reported in 1952. Oct 30, 2019 acute poliomyelitis is a disease of the anterior horn motor neurons of the spinal cord and brain stem caused by poliovirus. To keep for free in the future, please deactivate your adblocker or support this project by sending a small donation. Acute poliomyelitis is a disease of the anterior horn motor neurons of the spinal cord and brain stem caused by poliovirus. The disease is transmitted mostly through person to person contact by the faecooral route or through food or water contaminated by infected human faeces. This virus is a member of the enterovirussubgroup of the picornaviridae familyand has three serotypes. Poliomyelitis definition of poliomyelitis by medical dictionary. No watermarks just converting pdf to ppt in seconds. Polio also known as poliomyelitis is a highly contagious disease caused by a virus that attacks the nervous system.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Poliomyelitis article about poliomyelitis by the free. The clinical features are varied ranging from mild cases of respiratory illness, gastroenteritis, and malaise to severe forms of paralysis. Poliomyelitis is an urgent notifiable condition that must be notified immediately to the department by medical practitioners and pathology services. The designations employed and the presentation of the material in this. Pathogenesis, clinical features and laboratory diagnosis april 20, 2010 acharya tankeshwar lab diagnosis of viral disease 0 poliomyelitis is a contagious disease which spreads through person to person contact the virus infects only human mainly via fecal oral route. It finds a mention even in ancient egyptian paintings and carvings. Poliomyelitis revised 10242004 poliomyelitis is a highly contagious disease caused by three serotypes of poliovirus. Optical character recognition converts nonselectable text from scanned documents into editable office files. The majority of polio infections are either inapparent or present as a nonspecific febrile illness. This is confirmed by history of the acute paralytic illness, signs of residual weakness and atrophy of muscles on. The diseases striking presentation, in which previously healthy infants.
Aetiology a disease caused by the polio virus which affects the anterior horn cells particularly in the lumbar and cervical segments of the spinal cord leading to muscle weakness, wasting and limb shortening microbiology polio virus is an enterovirus with. Jun 04, 2005 poliomyelitis is caused by an enterovirus of high infectivity whose main route of infection is via the human gastrointestinal tract. Both inactivated polio vaccine ipv and oral polio vaccine opv are commercially available. Poliomyelitis, also known as polio or infantile paralysis, is a vaccinepreventable systemic viral infection affecting the motor neurons of the central nervous system cns. Polio description poliomyelitis is a contagious viral illness that in its most severe form causes paralysis, difficulty breathing and sometimes death. Manifestations include a nonspecific minor illness abortive poliomyelitis, sometimes aseptic meningitis without paralysis nonparalytic poliomyelitis, and, less often, flaccid weakness of various muscle groups paralytic poliomyelitis. Progress to lower motor neurone cell death leads to disruption of motor units and subsequent muscle weakness or complete paralysis. Polio, short for poliomyelitis, or infantile paralysis, is an infectious disease caused by the poliovirus.
Most vaccineassociated cases are due to type 3 or 2. Furthermore, the online pdf converter offers many more features. Treatment is directed at controlling the symptoms of the disease. Subclinical infections discomfort headache red throat fever sore throat vomiting nonparalytic excessive tiredness headache irritability fever pain or stiffness of the back, arms, legs, abdomen, neck skin rash vomiting paralytic fever breathing and swallowing difficulty headache. There are three subtypes of poliovirus, but, before the introduction of vaccine, type 1 accounted for 85% of paralytic disease. Scribd is the worlds largest social reading and publishing site. Icosahedral, 2830 nm in diameter, contains 60 subunits composition. Poliomyelitis is caused by an enterovirus of high infectivity whose main route of infection is via the human gastrointestinal tract. You can easily convert your pdf files to ppt with this online tool. Poliomyelitis, often termed polio, is an acute infectious disease caused by an enterovirus which damages the anterior horn cells of the spinal cord and brainstem.
Jun 19, 2018 poliomyelitis is first known to have occurred nearly 6000 years ago, as evidenced by the withered and deformed limbs of certain egyptian mummies. Convert pdf to powerpoint convert your pdfs to powerpoint. While most infections are asymptomatic, viral particles that gain entrance into the central nervous system can replicate in neurons and destroy cells that govern muscle function resulting in. The weakness most often involves the legs, but may less commonly involve the muscles of the head, neck and diaphragm. Poliovirus, an enterovirus with antigenic types 1,2,3. Poliomyelitis is a highly infectious disease caused by a virus belonging to the picornaviridae family. The virus mainly affects children under the age of five.
Pdf poliovirus, pathogenesis of poliomyelitis, and apoptosis. Poliomyelitis genetic and rare diseases information center. Even after being infected and they usually recover. Poliovirus infection page 1 poliovirus infection 1. Poliomyelitis definition of poliomyelitis by the free. The incidence of poliomyelitis in the united states declined rapidly after the licensure of inactivated poliovirus vaccine ipv in 1955 and live oral polio vaccine opv in the 1960s. Poliomyelitis or polio is an infection caused by polioviruses. Poliomyelitis, eften cried polio or infantile paralysis, is an infectious disease caused bi the poliovirus. The term poliomyelitis derives from the ancient greek word polios means grey and myelos meaning marrow referring to the grey matter of the spinal cord. Poliomyelitis is an infectious disease epidemic and endemic throughout the world.
Poliomyelitisoften called polio or infantile paralysis, is aninfectious disease caused by a virus. Ics recommendations for patients under 5 years old are unchanged. The last cases of indigenously acquired polio in the united states occurred in 1979 and in the americas in 1991. Progress toward poliomyelitis eradicationnigeria, january 2014july 2015. The response to poliovirus infection is highly variable and has been categorized based on the severity of clinical presentation. Dec 24, 2015 poliomyelitis is a viral disease that can affect nerves and can lead to partial or full paralysis it is caused by infection with the poliovirus which can be spread by direct persontoperson contact, by contact with infected mucus or phlegm from the nose or mouth, or by contact with infected feces. Polio, short for poliomyelitis, is an infectious disease caused by the poliovirus. In order to successfully pass the quiz, you should be.
Progress in poliomyelitis eradication since its beginning in 1988 has been remarkable. Polio is a disease caused by infection with the poliovirus. Treatment for poliomyelitis no drug can kill the virus once an infection has begun, but it can be prevented with vaccine. Conversion from pdf to ppt works on all computers the operating system you use doesnt matter. Jul 11, 2018 poliomyelitis, also known as polio or infantile paralysis, is a vaccinepreventable systemic viral infection affecting the motor neurons of the central nervous system cns. Poliomyelitis polio is a viral infection that occurs only in humans and has the potential to cause permanent muscle paralysis. Flaccid asymmetric weakness and muscle atrophy are the hallmarks of its clinical manifestations, due to loss of motor neurons and denervation of. Convert your pdfs to powerpoint presentations free and easy to use. A free powerpoint ppt presentation displayed as a flash slide show on id. It was not until the 1950s that a vaccine became available. Poliomyelitis is viral disease caused by an enterovirus known as poliovirus and is well known for its role in causing paralysis, especially in infants. Prior paralytic poliomyelitis with evidence of motor neuron loss. Who is not responsible for the content or accuracy of this translation. Poliomyelitis often called polio or infantile paralysis is an acute, viral, infectious disease spread from person to person, primarily via the fecaloral route.
The global polio eradication initiative, the largest public health campaign ever launched, began in 1988 with the ambition of achieving its goal by the year 2000. Children younger than 5 years old are more likely to contract the virus than. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Historically, it has been a major cause of mortality, acute paralysis and lifelong disabilities but large scale immunisation programmes have eliminated polio from most. Julian assange whistleblows bill gates and rotary international julian assange is the founder and editorin chief of wikipedia, he knows more about curing polio than bill gates. Ppt poliomyelitis and post polio syndrome powerpoint. Convert your powerpoint to pdf online, easily and free. Type 1 is most often the etiologic agent in paralytic illnesses, type 3 less so and type 2 least commonly. People with minor poliomyelitis are treated with bed rest and overthecounter medicines to control fever and muscle aches.
Poliomyelitis causes, symptoms, treatment, diagnosis and. Progress toward poliomyelitis eradication nigeria, january. Asthma is a chronic inflammatory disorder of the airways. Winner of the standing ovation award for best powerpoint templates from presentations magazine. It is caused by infection with the poliovirus which can be spread by direct persontoperson contact, by contact with infected mucus or phlegm from the nose or mouth, or by contact with infected feces. Now really quick, people who are infected dont necessarily show symptoms. Initial clinical characteristics include fever, sore throat, headache, and vomiting, often with stiffness of the neck and back.
Poliomyelitis is first known to have occurred nearly 6000 years ago, as evidenced by the withered and deformed limbs of certain egyptian mummies. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Polio was epidemic in the united states and the world in the 20th century, especially in the 1940s and 1950s. A highly infectious viral disease that chiefly affects children and, in its acute forms, causes inflammation of motor neurons of the spinal cord and brainstem, leading to paralysis, muscular atrophy, and often deformity. Just to recap, poliomyelitis is a motor neuron disease. Of infectious disease 2nd affiliated hospital cmu definition poliomyelitis is acute infectious disease caused by poliovirus.
Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Poliomyelitis is an acute infection caused by a poliovirus an enterovirus. If youre seeing this message, it means were having trouble loading external resources on our website. If your pdf is in a presentation format, the conversion should be no problem. Ppt poliomyelitis powerpoint presentation free to download id.
Poliomyelitis chapter 4 2020 yellow book travelers. Poliomyelitis must be distinguished from other paralytic conditions by isolation of virus from stool. United nations office for the coordination of humanitarian affairs. The weakness most often involves the legs, but may less commonly involve the muscles of the head. Our easytouse pdf to ppt converter converts your pdf to a powerpoint presentation in seconds, while retaining all the original formatting so you can easily edit and make changes to your ppt. Prevention is the only cure for paralytic poliomyelitis. Our online pdf to powerpoint converter is the best available, and you can use it free. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Pathognomonic signflaccid paralysis, weakness or paralysis andreduced muscle tone. Clinical features the incubation period for poliomyelitis is commonly 6 to 20 days with a range from 3 to 35 days. Who manual for virological investigation of polio myelitis expanded. The virus enters through the mouth and nose, multiplies in the throat and intestinal tract, and then is absorbed and spread.
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