japanese encephalitis microbiology ppt


japanese encephalitis microbiology ppt


2015. Japanese encephalitis virus (JEV) is the leading cause of viral encephalitis worldwide; it is responsible for 30,000 to 50,000 cases and 10,000 deaths annually in eastern Asia. © BBB, blood–brain barrier; CNS, central nervous system; CSF, cerebral spinal fluid; JEV, Japanese encephalitis virus; PNS, peripheral nervous system; TJ, tight junction.Some neurotropic viruses directly infect endothelial cells to reach the brain from the circulation and travel transcellularly to release viruses into the brain parenchyma [Neurotropic viruses can gain entry into the brain through compromising the BBB. A literature review estimates nearly 68 000 clinical cases of JE globally each year, with approximately 13 600 to 20 400 deaths.



Low and disparate seroprotection after pentavalent childhood vaccination in the Lao People’s Democratic Republic: a cross-sectional study. The papers are delivered on time and customers are their first priority. 1 month ago BBB, blood–brain barrier; CNS, central nervous system; JEV, Japanese encephalitis virus; MC, mast cell; MMP, matrix metalloproteinase; ROS, reactive oxygen species; TJ, tight junctions.Another potential pathway establishing CNS infection is through infection of peripheral immune cells that can subsequently gain entry into the CNS in a “Trojan Horse” mechanism. J Clin Diagn Res.

Scribd … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. Most people infected with JE do not have symptoms or have only mild symptoms. Japanese encephalitis virus (JEV) is the leading cause of viral encephalitis worldwide; it is responsible for 30,000 to 50,000 cases and 10,000 deaths annually in eastern Asia. Even if the number of JE-confirmed cases is low, vaccination should be considered where there is a suitable environment for JE virus transmission. WHO recommends having strong JE prevention and control activities, including JE immunization in all regions where the disease is a recognized public health priority, along with strengthening surveillance and reporting mechanisms.



For most travelers to Asia, the risk for JE is very low but varies based on destination, length of travel, season, and activities.

Treatment is supportive to relieve symptoms and stabilize the patient. Japanese B Encephalitis, Arbovirus B * This figure demonstrates the enzootic cycle for Japanese encephalitis.
4) Retrograde neuronal transport where CNS neurons that contact the PNS become infected. MMWR Morb Mortal Wkly Rep. 2011 Mar 11. Over the past years, the live attenuated SA14-14-2 vaccine manufactured in China has become the most widely used vaccine in endemic countries, and it was prequalified by WHO in October 2013. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. WHO recommends testing for JEV-specific IgM antibody in a single sample of cerebrospinal fluid (CSF) or serum, using an IgM-capture ELISA. Quick induction of type I IFNs has been associated with protection of astrocytes from apoptosis [JEV causes high morbidity and mortality in humans, leading to permanent neurological deficits, even in those who survive. Experiments were done to see the mechanisms of double infection. The case-fatality rate can be as high as 30% among those with disease symptoms.Safe and effective JE vaccines are available to prevent disease.


The incubation period is between 4-14 days.

Introduction. Other cells in the neurovascular unit such as astrocytes and pericytes are also activated during JEV infection and release proinflammatory cytokines. Domestic pigs and wild birds are reservoirs of the virus; transmission to humans may occur Dr.T.V.Rao MD 4 5. 3 !1AQa"q�2���B#$R�b34r��C%�S���cs5���&D�TdE£t6�U�e���u��F'���������������Vfv��������7GWgw�������� 5 !1AQaq"2����B#�R��3$b�r��CScs4�%���&5��D�T�dEU6te����u��F���������������Vfv��������'7GWgw������� ? Japanese Encephalitis - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Acute encephalitis syndrome (AES) is a serious public health problem in India. I’ve personally never heard of companies who can produce a paper for you until word got around among my college groupmates. Because Asian vectors of Japanese encephalitis virus feed readily on swine, these animals are an efficient amplifying host for this virus. Japanese encephalitis (JE) is the most important cause of viral encephalitis in Asia.

Although believed to be endemic in the Philippines, little is known of the epidemiology and geographic distribution of this disease in the country. Japanese B Encephalitis .

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    japanese encephalitis microbiology ppt