influenza and parainfluenza slideshare

Esta página brinda recursos acerca de los síntomas, las complicaciones y el diagnóstico de la influenza. Herpes Simplex Virus: Varicella-Zoster HeLa (Human epithelial cell line of cervical carcinoma) Respiratory syncytial virus, Adenovirus, HSV, Poliovirus and some Coxsackie viruses. Parainfluenza-Respiratory Syncytial-Adenovirus It occurs sporadically or in epidemics which peaks usually during . 40 y/o presents with HA, fever, difficulty breathing and sore throat. Prepared by: Rachell Zurbito Alexandra Romero Kim Montemayor UPPER RESPIRATORY TRACT INFECTION commonly referred to the acronym URI. La influenza (también conocida como "gripe") es una enfermedad respiratoria contagiosa provocada por el virus de la influenza. Influenza (Flu) •An important feature of the influenza viruses is the frequency with which changes in antigenicity occur -antigenic drift - due to accumulation of mutations in a strain within a geographic area -antigenic shift - due to reassortment of genomes when two different strains of flu viruses (from humans and animals) infect the Prepared by: Rachell Zurbito Alexandra Romero Kim Montemayor UPPER RESPIRATORY TRACT INFECTION commonly referred to the acronym URI. Common Cold & Tachycardia: Causes & Reasons - Symptoma Name of the virus Family Disease 1 -Influenza virus Orthomyxoviridae URT & LRT infection 2 -Parainfluenza virus Paramyxoviridae URT & LRT infection 3 -Respiratory syncytial virus Paramyxoviridae LRT infection 4 -Rhinovirus Picornaviridae URT infection 5 -Coronavirous Coronaviridae URT infection 6 -Adenovirus Adenoviridae URT and eye infections 7 -Human . 2. • Inhibition of RNA polymerase Antiviral spectrum : DNA and RNA viruses are susceptible, including influenza, parainfluenza viruses, RSV, Lassa virus 11/18/12 Dr.T.V.Rao MD 40 41. De los cuales todos pueden causar infecciones respiratorias inferiores infecciones de las vías respiratorias superiores en adultos y en niños. 5. 1 CHAPTER 9 . Continuous cell lines commonly used for virus cultivation. For some conditions, mortality data for earlier ICD revisions are not presented in eWoRLD because 1) these conditions were not originally included in earlier versions of the Work-Related Lung Disease (WoRLD) Surveillance Reports, which focused on lung diseases associated with mining (e.g, Pneumoconioses . Upper Respiratory Tract Infection | PDF | Influenza ... Virology (25) - Paramyxoviridae Flashcards - Cram.com This review deals with factors that influence the virulence of influenza A virus. The common respiratory viruses. H. influenzae are small, pleomorphic, gram-negative bacilli or coccobacilli with random arrangements. It is commoner in children and particularly affects the larynx, causing croup. Bacterial tracheitis was first described in medical literature in the 1920s, despite the name not being coined until much later. Properties of Orthomyxoviruses and Paramyxoviruses ... Two of the patients with B. catarrhalis showed a significant titre conversion against influenza B and parainfluenza type e virus, respectively. Avian influenza is a notifiable disease listed by the OIE. Orthomyxoviruses are enveloped viruses that display pleomorphic structures ranging from spherical such as influenza A to filamentous as in influenza C [28]. Influenza B infection in children causes headaches in 70%; muscle aches in 60%; and nausea, vomiting, and diarrhea in 30%. In children, Haemophilus influenzae type b (Hib) can spread through the bloodstream (causing bacteremia. Check the full list of possible causes and conditions now! parainfluenza virus, or human metapneumovirus), knowledge of other respiratory viruses as well as influenza virus strains circulating in the community is important for treatment decisions. Flu A viruses also are found in many different animals, including ducks, chickens, pigs, horses, whales, and seals. for other type A influenza viruses, such as: avian, swine, equine, and canine influenza. Haemophilus influenzae can cause many kinds of infections. El virus puede causar crup, bronquiolitis, bronquitis y ciertos tipos de neumonía.. El número exacto de casos de parainfluenza se desconoce. One type of Haemophilus influenzae, called type b, is more likely to cause serious infections. Flu is a serious disease, caused by influenza viruses, that can lead to hospitalization and even death. INFLUENZA A (H1N1) 'Influenza' A (H1N1) virus is a subtype of influenza A virus and was the most common cause of human influenza (flu) in 2009. Es causada por el virus de la influenza y se manifiesta como una enfermedad respiratoria muy contagiosa que no sólo 1. Influenza A (H1N1, H5N1, H3N2, and H1N1pdm09) and Influenza B are common among the Pakistani population. Differentiating between viral and bacterial pneumonias radiographically is difficult, partly because the lesions look similar and partly because bac- In the U.S., the most common bacterial cause of pneumonia is Streptococcus pneumoniae (pneumococcus) and the most common viral causes are influenza, parainfluenza, and respiratory syncytial viruses.When bacteria, viruses or, rarely, fungi living in your nose, mouth, sinuses, or the environment spread to your lungs, you can develop pneumonia or . Viruses such as bovine parainfluenza virus 3 in bulls and herpesviruses in many species, nonpathogenic and potentially pathogenic bacteria such as Corynebacterium renale and Histophilus somni, fungi, mycoplasmas and ureaplasmas, chlamydias, and protozoa are isolated from preputial cavities that are normal or have lesions. Talk to our Chatbot to narrow down your search. INFLUENZA HUMANA DEFINICIÓN Enfermedad inflamatoria aguda de vías respiratorias superiores, curable y controlable si se recibe atención . Foto: www.engormix.com . HPIV is genetically and antigenically divided into types 1 to 4. 3. change in direction of airway from sinuses to pharynx causes particles to be caught on back of throat. This page contains notes on individual viruses . HEp-2 (Human epithelial type 2 cells) Adenovirus, HSV, Poliovirus and some Coxsackie viruses. Influenza A virus and RSV can be detected by antigen assay. Si contrae la influenza, los medicamentos antivirales son una opción para el tratamiento. Kawaoka, " Orthomyxoviruses ," in Fields Virology, D. H1N1 (pronounced "HEE-NEE" by healthcare professionals . Expanda sección. UPPER. Enfermedad respiratoria viral generalmente leve, altamente contagiosa, se puede agravar en personas de alto riesgo (niños, ancianos, padecimientos pulmonares crónicos y mujeres embarazadas). Son la segunda causa, después del virus sincitial respiratorio, de enfermedad del tracto respiratorio inferior en niños pequeños. 3. It is an enveloped virus and the envelope contains two glycoproteins, hemagglutinin (HA) and neuraminidase (NA), the membrane (M2) protein and is internally lined by the matrix (M1) protein. ; The direct method of viral diagnosis is accomplished by observing the viral specimen directly under microscopes, to confirm the presence . Los signos y síntomas de la influenza incluyen . Amongst the viruses detected were RSV, human metapneumovirus, parainfluenza viruses 1-4, and influenza A and B. The influenza viruses are highly contagious and can cause large epidemics. Existen cuatro tipos del virus de la parainfluenza. You now have unlimited* access to books, audiobooks, magazines, and more from Scribd. [slideshare.net] Viral Upper Respiratory Infection . Other viruses associated are influenza A and B, adenovirus, respiratory synctial virus (RSV), and Measles. Rhinoviruses,… Foul-Smelling Stools & Influenza Symptom Checker: Possible causes include Cystic Fibrosis. A high genetic and antigenic variability is demonstrated in a broad spectrum of influenza A viruses ranging from avirulent to lethal ones. Haemophilus influenzae bacteria most often cause pneumonia, bacteremia, and meningitis mostly in infants and children younger than five years of age.. Parainfluenza. De los cuales todos pueden causar infecciones respiratorias inferiores infecciones de las vías respiratorias superiores en adultos y en niños. Human ParaInfluenza Virus (HPIV) 2. La Parainfluenza bovina tipo 3 se transmite por contacto directo con animales enfermos o por presencia del virus en el ambiente. [slideshare.net] Acute Superior Mesenteric Artery Insufficiency. There are three types of influenza (flu) viruses: A, B, and C . Influenza C. Rhinovirus/enterovirus D. None - treat symptoms with Tylenol and fluids E. The location of the disease dictates its gravity, as viral upper respiratory tract infections range from simple ones, like viral nasopharyngitis to more severe ones, like rhinosinusitis . Influenza. Parainfluenza viruses are associated with a wide spectrum of illnesses which include otitis media, pharyngitis, conjunctivitis, croup, tracheobronchitis, and pneumonia. In spite of the name, H. influenzae do not cause influenza (the flu).Vaccines can prevent one type of H. influenzae (type b or Hib) disease. Overview of Viral Respiratory Infections. The prototype is the illness known as common cold Pharyngitis, Sinusitis Tracheobronchitis Influenza is a systemic illness that involves . Descargo de responsabilidad: Es posible que en este sitio encuentre algunos enlaces que le lleven a contenido disponible sólo en inglés.Además, el contenido que se ha traducido del inglés se actualiza a menudo, lo cual puede causar la aparición temporal de algunas partes en ese idioma hasta que se termine de traducir . Parainfluenza. El virus respiratorio sincitial (VRS) es el más frecuente, pero otros virus como rinovirus, parainfluenza, influenza y adenovirus son también agentes prevalentes en la mayoría de estudios 9,15,16. Influenza A viruses have caused several epidemics and pandemics in the past and … Influenza A virus falls under the family Orthomyxoviridae. 1. hair in nose to filter larger particles. Entre los síntomas que produce se encuentran fiebre, lagrimeo, descarga nasal, depresión . Los virus de la parainfluenza humana (VPIH) son un grupo de organismos, tipos del 1 a 4, que ocasionan varias infecciones respiratorias diferentes. More than 200 agents can cause symptoms of the common cold, including parainfluenza, influenza, respiratory syncytial viruses, and reoviruses. [slideshare.net] Some H influenzae . H. influenzae is a fastidious organism which grows best at 35-37°C with ~5% CO 2 (or in a candle-jar) and requires hemin (X factor) and nicotinamide-adenine-dinucleotide (NAD, also known as V factor) for growth. Viral infections commonly affect the upper or lower respiratory tract. The virus isolate had tested negative for enteroviruses and respiratory viruses (influenza viruses A and B, parainfluenza virus types 1 to 3, respiratory syncytial virus, and adenovirus) by immunofluorescence and PCR. The leading cause of croup, isolated from more than 80% of positive cultures, is parainfluenza virus (types 1, 2, and 3). Risk Factors for Resistant S. pneumoniae Infection Age (≤2 years) Attendance at day-care centers Siblings of children attending day-care centers Not vaccinated with pneumococcal conjugate vaccine (PCV) Prior AOM within the past six months Receipt of antibiotics within the last three months Working Group of the Infectious Diseases Society of Southern Africa. Epiglottitis, acute laryngitis, and croup are infections of the upper airway, affecting the epiglottis, larynx, and larynx and trachea, respectively. Viruses cultivated. Epiglottitis is a bacterial infection, while acute laryngitis and croup are primarily viral infections. Each type of adenovirus can affect you differently: Bronchitis: Cough, runny nose, fever, chills. The prototype is the illness known as common cold Pharyngitis, Sinusitis Tracheobronchitis Influenza is a systemic illness that involves . Colds and other respiratory infections: Stuffy and runny nose, cough, sore throat, and swollen . A. Adenovirus B. Influenza and the use of oseltamivir in children. Diagnosis of viral infections. As with other microorganisms, the virulence of a virus is under polygenic control, but it is also associated with several physiologic and genetic characteristics of the host, which support viral . DISCOVERY OF THE MODE OF NIPAHVIRUS CELL INFECTION . Bovine Parainfluenza Virus 3. 1. Note: The following conditions are defined by specific ICD codes for eWoRLD mortality data. Activate your free 60 day trial Infecciones de la parainfluenza viral. Some strains of H1N1 are endemic in humans and cause a small fraction of all influenza-like illness and a small fraction of all seasonal influenza. La mayoría de las personas contraen la gripe cuando inhalan gotitas en el aire provenientes de la tos o los estornudos de alguien que tenga gripe. Human para influenza virus 1. La gripe es causada por un virus de la influenza. The disease was initially referred to as acute laryngotracheobronchitis. Detection of respiratory viruses (adenovirus, RSV, influenza, and parainfluenza) by immunofluorescence in infants hospitalized for acute lower respiratory tract infection in 1989-2004 Viral respiratory infections are a very good example of a model of acute viral infection, in which viruses affect the individual, with or without symptoms, and . parainfluenza viruses 1, 2, 3, RSV types A and B, influenza types A and B Parainfluenza - treatment **infants w/ croup need careful monitoring! A flu pandemic is a global outbreak of a new . Hay cuatro tipos de virus de la influenza: A, B, C y D. Los virus A y B de la influenza humana causan una epidemia estacional de la enfermedad (conocida como temporada de influenza) casi todos los inviernos en los Estados Unidos. Allow secretions to absorb for 5 seconds; then carefully remove swab and place it in UTM a. cal (influenza, syncytial respiratory, parainfluenza, rhinovirus), but some are able to cause systemic infections (measles, rubella, herpes). You now have unlimited* access to books, audiobooks, magazines, and more from Scribd. Parainfluenza is caused by the parainfluenza viruses, not by Haemophilus parainfluenzae. There may be necrosis of the mucosa as in influenza (Fig. Bronchitis also may . Influenza virus, the causative agent of seasonal flu (and pandemic flu) is the deadly contagious virus.It is the only virus of the medical importance of the family Orthomyxoviruses. Viral isolation techniques and serologic tests for influenza A1, A2 and B, parainfluenza 1 and 3, respiratory syncytial virus and the adeno virus group yielded only a single [ncbi.nlm.nih.gov] Acute Bronchitis. the CIRDC organisms, including canine influenza viruses (H3N2 and H3N8), canine adenovirus 2, canine distemper virus, canine parainfluenza virus and Bordetella bronchiseptica (see Resources). Consulte con su médico de inmediato si corre mayor riesgo de tener complicaciones graves por la influenza (vea la lista completa de factores que aumentan el riesgo) y tiene síntomas de la enfermedad. Influenza can cause severe complications in the elderly and chronically ill, and is associated with excess mortality among those persons. Este virus puede causar una enfermedad leve o grave y en ocasiones puede llevar a la muerte. Last updated on May 13th, 2021. Identification and Characterization of Haemophilus influenzae. Antigenic differences exhibited by two of the internal . The parainfluenza virus type 1, 2 and 3 are the most common etiologies. It occurs sporadically or in epidemics which peaks usually during . Laboratory diagnosis of viral infections is a complex process. Vaccination is especially important for Virus is a kind of micro-organism of at least less than 200 mµ in size, lives parasitically on a definite host (Bawden, 1949). Paramyxoviruses include the most important agents of viral respiratory tract infections notably Respiratory syncytial virus (RSV), Measles, Mumps, and Parainfluenza virus. Bacteremia Bacteremia is the presence of bacteria in the bloodstream. Es una enfermedad infecto-contagiosa que forma parte del complejo respiratorio de los bovinos. Individuals with muscle aches often have an elevation of a muscle enzyme (serum creatine phosphokinase . Your best defense is vaccination, which provides important protection from flu and its . Structural differences observed in arboviruses of the alphavirus and flavivirus genera. Epiglottitis was known to the ancient world. Note: In spite of its name, Haemophilus influenzae does not cause influenza (the "flu") Orthomyxoviridae (from Greek ὀρθός, orthós 'straight' + μύξα, mýxa 'mucus') is a family of negative-sense RNA viruses.It includes seven genera: Alphainfluenzavirus, Betainfluenzavirus, Deltainfluenzavirus, Gammainfluenzavirus, Isavirus, Thogotovirus, and Quaranjavirus.The first four genera contain viruses that cause influenza in birds (see also avian influenza) and mammals . Existen cuatro tipos del virus de la parainfluenza. As detailed by the OIE Terrestrial Animal Health Code, Members must report: all highly pathogenic avian influenza viruses, irrespective of their strain, detected in birds (domestic and wild) all low pathogenic viruses of subtypes H5 and H7 detected in poultry. Pass a flexible, fine shafted swab into the nasopharynx. Disease . When CDC antigenically characterizes influenza viruses to inform decisions on the formulation of the seasonal flu vaccine, the HI test is used to compare currently circulating viruses (rows B and C) with vaccine viruses (row A). 2. mucus collects particles not filtered by nasal hairs. . Flu A and B viruses are responsible for seasonal flu epidemics more commonly known as the flu season. Although respiratory infections can be classified by the causative virus (eg, influenza ), they are generally classified clinically according to syndrome (eg, the common cold, bronchiolitis, croup, pneumonia ). En la última década se han descrito y relacionado con la neumonía dos nuevos virus, los metapneumovirus y los bocavirus, en este último caso . cal (influenza, syncytial respiratory, parainfluenza, rhinovirus), but some are able to cause systemic infections (measles, rubella, herpes). Of the etiologies below, which would you want to rule out by molecular testing? Viruses are ultra-microscopic disease causing nucleo-protein agents, capable of being introduced into the living cells of specific organisms and capable of multiplying or being multiplied within the living host cells. There may be necrosis of the mucosa as in influenza (Fig. 5.1.6A), and quite frequently small polypoid growths of the bronchial and bronchiolar epithelium develop . ! These vaccines reduce development of illness, severity of illness, and shedding of the virus/ bacteria. It is commoner in children and particularly affects the larynx, causing croup. The common cold and influenza (flu) are the most common syndromes of infection in human beings. The data presented include pneumonia, bronchiolitis, and influenza. Measles virus, RSVs, parainfluenza viruses, influenza type A virus, and adenoviruses are the most important causes of viral pneumonia. Influenza (also known as flu, or grippe) is an acute inflammation of the nasopharynx, trachea, and bronchioles, with congestion, edema, and the possibility of necrosis of these respiratory structures.Influenza is a highly contagious infection of the respiratory tract caused by three different types of Myxovirus influenzae. Upper respiratory tract infections are frequent illnesses in the general population. STUDY. Los virus de influenza A son los únicos virus conocidos por causar pandemias, tales como epidemias de la influenza . Optional: Known positive control antiserums for other type A influenza viruses, such as: avian, swine, equine, and canine influenza 2.2.7 U-bottom microtiter plates (96-well) and plate covers Haemophilus influenzae disease is a name for any illness caused by bacteria called H. influenzae.Some of these illnesses, like ear infections, are mild while others, like bloodstream infections, are very serious. There are present three types of diagnosis methods for a viral infection such as (1) direct detection, (2) indirect examination (virus isolation), and (3) serology. Antigenic Characterization Assay. The SlideShare family just got bigger. It is an enveloped virus with a negative sense RNA segmented genome that encodes for 11 viral genes. Acerca de las pruebas para diagnosticar la influenza - CDC. Flu viruses can change in two different ways—antigenic drift and antigenic shift. Pt is admitted for severe respiratory distress. Upper and Lower Respiratory Infections. Parainfluenza viruses are the major cause of croup in young children and can cause bronchitis, pneumonia, and bronchiolitis. Many of the cases were noted to be co-infections of RSV and influenza B. to identified novel H1N1 influenza virus with identified novel H1N1 influenza pneumonia J09118Influenza due to identified novel H1N1 . This virus has evolved a number of mechanisms that enable it to invade host cells and subvert the host cell machinery for its own purpose, that is, for the sole production of more virus. 3. Which can range from mild ear infections to severe diseases, like meningitis. Uncommon respiratory manifestations include apnea, bradycardia, parotitis, and respiratory distress syndrome and rarely disseminated infection. Influenza viruses infect the respiratory tract (i.e., nose, throat, lungs) and can cause mild to severe life-threatening illnesses. El virus puede causar crup, bronquiolitis, bronquitis y ciertos tipos de neumonía.. El número exacto de casos de parainfluenza se desconoce. It is the illness caused by an acute infection nose Sinuses Pharynx larynx, or bronchi. Generally, these strains are detected in a seasonal pattern with a high incidence during spring and winter time. Particle-associated, nuclease-resistant RNA and DNA were prepared from the supernatant of infected cells. As with other microorganisms, the virulence of a virus is under polygenic control, but it is also associated with several physiologic and genetic characteristics of the host, which support viral . Continuous Cell lines. The SlideShare family just got bigger. Influenza A viral infection in adults causes severe headaches in 75%, muscle aches and pains in 60%, and malaise in 70%. Bacterial tracheitis, also known as bacterial croup, acute laryngotracheobronchitis, or membranous croup, is a potentially lethal infection of the subglottic trachea. Activate your free 60 day trial Cancel anytime. Rapid antigen test for influenza is negative. Anti-viral drugs PHARMACOLOGY OF RIBAVIRIN • Ribavirin is a guanosine analog. RESPIRATORY TRACT INFECTION. Scientists at UCLA have discovered how Nipahvirus, a virus that causes encephalitis and death in up to 70% . 2.2.6 Known positive and negative NDV control antiserums for HI test. UPPER. They are the second most common cause of lower respiratory tract infection, especially in younger children. Nasopharynx swab b. Other viruses that can cause croup include adenovirus, influenza A and B viruses, respiratory syncytial virus (RSV), and rubeola virus. Croup may also involve the bronchi. . Introduction Human parainfluenza viruses (HPIV) were first discovered in the late 1950s. RESPIRATORY TRACT INFECTION. virus de la parainfluenza Los virus de la Parainfluenza son patógenos virales importantes que causar infecciones respiratorias altas y bajas en adultos y niños. ETIOLOGY: Viral causes: Viral agents are more commonly implicated. . Parainfluenza is caused by the parainfluenza viruses, not by Haemophilus parainfluenzae. Influenza porcina (en cerdos)/variante: informacion sobre los virus de la influenza en cerdos e infecciones humanas con los virus de la influenza de cerdos; Influenza pandémica Una pandemia de influenza es un brote mundial de un virus nuevo de la influenza A. Obtenga más información, incluidos datos sobre pandemias de influenza anteriores. Influenza A virus particles are usually spherical and about 80- 120 nm in diameter. 5.1.6A), and quite frequently small polypoid growths of the bronchial and bronchiolar epithelium develop . PLAY. Immunity resulting from disease . Infection is spread by sneezing, coughing, or touching infected people. Influenza A virus belongs to the family of Orthomyxoviridae. A viral infection may become complicated subsequently by bacteria. Influenza (flu) is caused by influenza viruses, a member of the orthomyxovirus family. Frequently isolated: influenza virus, parainfluenza virus, rhinovirus (limited), RSV. Clinical judgment, on the basis of the patient's disease severity and progression, age, underlying medical It is the illness caused by an acute infection nose Sinuses Pharynx larynx, or bronchi. Influenza (also known as flu, or grippe) is an acute inflammation of the nasopharynx, trachea, and bronchioles, with congestion, edema, and the possibility of necrosis of these respiratory structures.Influenza is a highly contagious infection of the respiratory tract caused by three different types of Myxovirus influenzae. Influenza A Ana Isabel Toro Montoya1, Carlos Aguirre Muñoz2 L a influenza es una de las principales causas de morbilidad y mortalidad en el mundo, ya que afecta gran parte de la población mundial cada año. Respiratory tract features which help protect from particles & pathogens. • Other respiratory viruses that can present as Influenza-like Illness (ILI) include: Rhinovirus Respiratory syncytial virus Parainfluenza Adenovirus 22/12/2018Influenza (Flu) Prof. Dr. Saad S Al Ani 26 They are caused by either viruses or bacteria. Usted también la puede contraer si toca algo que contenga el virus y luego se toca la boca, la nariz o los ojos. 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