Free resources are available to the general public, partners, and organizations to download in spanish and english. Within this family there are three genres that are responsible for the flu. H1n1, h7n9, h5n1we hear this alphanumeric description of various influenza, or flu viruses all the time. During periods when influenza activity is low and there is low influenza virus circulation among persons in the community, the positive predictive value of influenza tests is low that is, the chance that a positive result indicates that the patient has influenza is low consider potential for a false positive result, and the negative predictive value is high the chance that a negative. Click download or read online button to get 1918 flu pandemic book now. The total number of positive tests and the total number of tests conducted are reported and used to create a statewide percent positivity statistic. The name influenza originated in 15th century italy, from an epidemic attributed to influence of the stars. This reduced rate of antigenic change, combined with its limited host range ensures that pandemics of influenza b do not occur. Respiratory virus infections are difficult to distinguish on clinical grounds.
In 2005 and 2006, the white house homeland security council outlined the national strategy for pandemic influenza cdc pdf 358 kb, 17 pages and national strategy for pandemic influenza implementation plan cdc pdf 4. Flu viruses are thought to spread mainly from person to person through droplets made when people with. The influenza pandemic resembled both of those scourges in other ways also. Following the emergence of the pandemic h1n1 influenza a virus in 2009 in humans, this novel virus spread into the swine population. The organism that causes flu is the influenza virus. Stein j, louie j, flanders s, maselli j, hacker jk, drew wl, et al. N acetylcysteine and influenza virus inhibition glutathione pro. It belongs to the family orthomyxoviridae and they are included in group v of the baltimore classification, consisting in negative sense, singlestranded rna viruses.
Several different influenza vaccines are available in b. Influenza, also called the flu, is a viral disease that affects humans and many animals. Methods and protocols pdf free ebook influenza virus. Influenza in birds is often referred to as avian influenza, in pigs as swine influenza, in horses as equine influenza and so on. The vaccine does not protect against other viruses or bacteria that cause colds or stomach flu. Download free medical influenza the flu powerpoint. Although referred to as swine influenza in many reports, scientific evidence shows that it. The influenza virus is a member of the orthomyxoviridae family, and its genome consists of eight singlestrand rna segments, encoding 1112 proteins. Influenza viruses are inactivated by sunlight, disinfectants, and detergents, such as sodium deoxycholate and sodium dodecyl sulphate. The role and assembly mechanism of nucleoprotein in. Methods and protocols author gabriele neumann and yoshihiro kawaoka isbn 1493957686 file size 3. Everyday preventive actions can help fight germs, like flu.
Since the hcp influenza vaccination summary reporting crosses two quarters, we classify the data as part of quarter one in the second year of the influenza season. Gaseous nitric oxide reduces influenza infectivity in vitro. Gaseous nitric oxide gno is an approved vasodilator drug for inhalation up to a maximum dose of 80 ppm. This type of influenza mutates at a rate 23 times lower than type a.
The publics response to the 2009 h1n1 influenza pandemic. Increase influenza vaccination rates in your practice by providing evidencebased interventions for use with vaccinehesitant patients. Influenza a viruses infecting humans have been primarily subtypes h1, h2, and h3 while influenza a subtypes h1 through h17 can infect birds and other. Influenza fact sheet keywords department of health services, dhs, division of public health, influenza, flu, coughing, sneezing, vaccine, vaccination, flu shot, contagious, p42064, p42064 created date. Inactivated influenza flu vaccine healthlinkbc file 12d. Influenza a virus the type a viruses are the most virulent human pathogens among the three influenza types and cause the most severe disease. The nucleoprotein of negativestrand rna viruses forms a major component of the ribonucleoprotein complex that is responsible for viral transcription and replication. Findings from a survey on the ability of public health labs to test for respiratory viruses other than influenza. It most commonly causes a fever and respiratory problems. For example, if you are reporting data for the 20172018 influenza season, you will need to run a. The flu also spreads when a person touches a surface or an object with flu virus on it and then. General practitioners gps however, still depend on their clinical judgement.
Nhgstandaard influenza en influenzavaccinatie springerlink. Influenza influenza is also called the flu or seasonal flu. Although referred to as swine influenza in many reports, scientific evidence shows that it is different from the swine influenza virus affecting pigs. Spanish flu 1918 burning issues free pdf download the influenza pandemic of 1918 the pandemic infected a third of the worlds population and killed at least 50 million people, making it the deadliest pandemic in modern history.
The impact of communications about swine flu influenza a h1n1v on public responses to the outbreak. The first pandemic, or worldwide epidemic, that clearly fits the description of influenza was in 1580. Influenza b virus influenza b almost exclusively infects humans and is less common than influenza a. Download now never since the black death has such a plague swept over the face of the world, commented the times, and never, perhaps, has a plague been more stoically accepted. Influenza, or the flu, is a highly contagious virus. Free download influenza the flu powerpoint presentation. The role and assembly mechanism of nucleoprotein in influenza. In this short clip from an older interview, professor of microbiology and. Pdf the great influenza download full pdf book download. There are two main types of influenza, influenza a and influenza b. This flyer contains information about everyday preventive actions. This research was done in order to determine whether gno at 80 or 160 ppm possesses an antiviral. The inactivated influenza vaccine is made of killed influenza viruses.
Birds, pigs, horses, ferrets, dogs, and cats can all be infected with various strains of the influenza virus. Algorithm to assist in the interpretation of influenza. Rishi is a pediatric infectious disease physician and works at khan academy. Non influenza virus testing in the united states author. This site is like a library, use search box in the widget to get ebook that you want. Pigs represent a potential host for this virus and can serve as a mixing vessel for genetic mutations of the influenza virus. Influenza killed more people in a year than the black death of the middle ages killed in a century. This work is licensed under a creative commons attribution. The virus involved in the spring 2009 global influenza outbreak is a new strain of influenza virus affecting humans. These videos do not provide medical advice and are for informational purposes only. Nac was studied for its ability to inhibit replication of the seasonal human influenza a viruses. The videos are not intended to be a substitute for professional. Experimental infection with a thai reassortant swine. Performance characteristics of clinical diagnosis, a clinical decision rule, and a rapid influenza test in the detection of influenza infection in a community sample of adults.
National pandemic influenza plans pandemic influenza flu. Influenza a h3n2 panama200099like viruses were isolated in 8% of patients with arti and influenza bsichuan 37999like viruses were isolated in 3%. It first appeared in italy more than 100 years ago around 1878. Immunology and vaccinepreventable diseases pink book. When the great influenza pandemic finally ended, in april 1919, 228,000 people in britian alone were dead. Mar 12, 20 the nucleoprotein of negativestrand rna viruses forms a major component of the ribonucleoprotein complex that is responsible for viral transcription and replication. Gaseous nitric oxide reduces influenza infectivity in. Epidemiological factors associated with increased odds for influenza included weeks when. At least four pandemics of influenza occurred in the 19th century. Influenza a virus, influenza b virus and influenza c virus. Important and reliable public sources of genomic, proteomic, annotation surveillance and experimental data has been identified and data has been obtained and integrated into our database. Take everyday preventive actions that may slow the spread of germs that cause respiratory nose, throat, and lungs illnesses, like flu. However, viral influenza vaccination during pregnancy was associated with a reduction in reversetranscriptasepolymerasechainreaction rtpcr confirmed influenza among infants rr 0.
Noninfluenza virus testing in the united states author. A major epidemic of highly pathogenic avian influenza. The purpose statement should address the uniqueness of the pandemic influenza continuity of operations plan or annex by addressing the key elements of a viable continuity of operations plan while employing strategies to mitigate the specific threat posed by pandemic influenza. It protects against viruses that cause influenza, often called the flu. Learn about symptoms of the infection and protect yourself with influenza treatments at onlineclinic. Pathogenic avian influenza was first recognized in the united states in 19241925. Influenza in humans is often referred to as the seasonal flu. Jul 16, 2017 h1n1, h7n9, h5n1we hear this alphanumeric description of various influenza, or flu viruses all the time. Flu goes around every year, with some years being worse than others. It is an infection that starts in the nose, throat and lungs and spreads to the whole body. A highly pathogenic form of avian influenza was known as fowl plague. This book tells the story of the great influenza pandemic.
There are three groups of influenza viruses, called type a, b. The nddoh receives influenza and rsv testing data from participating sentinel laboratories across the state. The main characters of this history, science story are. Currently seasonal influenza a epidemics are caused by influenza a h1n1 or h3n2, which have adapted from the original avian host to transmit through respiratory secretions and cause respiratory tract infections in humans. Learn more about the national influenza vaccination disparities partnership nivdp by visiting. The flu also spreads when a person touches a surface or.
A study from israel comparing clinical features of hospitalized ili cases with and without ah1n1pdm09 infection showed that age influenza, the urge for rapid and reliable diagnosis of influenza becomes increasingly important. Download free medical influenza the flu powerpoint presentation. Data sources this web site provides a bioinformatics resource to support scientific research on influenza virus. This variant was soon designated as swine flu virus although it was never detected in porcine populations until the occurrence in a swine herd in alberta, canada in may 2009, in. Like aids, it killed those with the most to live for. Influenza a virus h1n1 anetherlands100509 antigen, diagnostic reagent, virus. Influenza diagnosis clinical and epidemiological characteristics increase of febrile respiratory illness lab isolation of influenza virus from clinical specimen e. For influenza, percent positivity of 10% or greater indicates season level influenza. By studying the effects on virus replication and virus induced proinflammatory responses, researchers got a clearer sense of just how effective nac can be for the treatment of the h5n1 influenza virus. Pdf influenza is a highly contagious acute viral infection of the respiratory tract. Pages in category influenza the following 39 pages are in this category, out of 39 total. National pandemic influenza plans pandemic influenza. Flu virus is spread through coughing and sneezing by people with the flu. For example, if you are reporting data for the 20172018 influenza season, you will need to run a quality net report for q1 2018.
Harrison principles of internal medicine 20th edition pdf. Influenza a viruses are divided into subtypes based on the hemagglutinin h and neuraminidase n proteins on their surfaces. The story of the deadliest pandemic in history pdf epub book. The book was published in multiple languages including english, consists of 560 pages and is available in paperback format. These plans aimed to stop, slow or otherwise limit the. The first edition of the novel was published in 2004, and was written by john m. While gno has been shown, in vitro, to be an effective antibacterial agent at 160 ppm, nodonor compounds have been shown to inhibit a variety of viruses at varying stages of replication. People of all ages can get the flu, from babies and young adults, to the elderly. Pandemic influenza continuity of operations annex template. Characterization of the reconstructed 1918 spanish influenza pandemic virus. It is the most trusted, authoritative and definitive guide for medical students and healthcare professionals to internal medicine. Influenza viruses are susceptible to heat, ph extremes, dryness, and are generally unstable in the environment.
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