For those who have swine flu, the oral drug tamiflu is recommended. Pdf swine flu, also called hog or pig flu, is an infection caused by any one of the several types of swine influenza virus siv which is. However, there is a fair amount of chance to recover from the flu. However, the disease has also spread from one person to another. Swine flu is a respiratory illness caused by influenza viruses that infect the respiratory tract of pigs. Modeling and analysis of the symptomatic and asymptomatic. While swine flu viruses normally do not infect humans, occasional infections of humans do occur. Swine influenza virus is sometimes called siv or swine flu. This type of influenza virus can also infect humans and birds. Most commonly, these cases occur in people with direct exposure to pigs e. Recommended composition of influenza virus vaccines for use in.
Interspecies transmission of reassortant swine influenza a virus containing genes from swine influenza ah1n1pdm09 and ah1n2 viruses. Normally, it only infects people who have been in close contact with pigs. Diagnostic tests for swine flu including blood tests, urine tests, swabs, diagnostic tests, lab tests, and pathology testing. Swine influenza is also referred to as h1n1 type a influenza. We tend to think of flu resulting in the deaths of the very old and the very young, and the pandemics did affect those age groups. Click through our photo gallery and find out the answers to your most pressing questions. The spanish flu is regarded as the biggest in history, the number of victims was estimated on 50 million 8.
The virus is contagious and can spread from human to human. The study was conducted between january 2014 and march 2015 at the. People do not normally get swine flu, but human infections can and do happen. However, there are sometimes strains from previous years so i am including here swine flu programs from 2010 2015. India had reported 937 cases and 218 deaths from swine flu in the year 2014. Kids have lived with the specter of swine flu throughout their time off at summer camps and swimming pools, but its the return to school that has some public health officials worried. Swine flu swine flu is a respiratory disease caused through influenza viruses that infect the respiratory tract of pigs and result in a barking cough, decreased appetite, nasal secretions, and listless behavior. It was caused by a thennew flu virus known as h1n1, an influenza virus thats a combination of swine, avian bird, and human genes that mixed together in pigs and spread. Swine influenza swine flu is a respiratory disease of pigs caused by type a influenza virus that regularly causes outbreaks of influenza in pigs. It is respiratory illness of pigs caused by infection with swine influenza a virus.
Swine influenza is a respiratory disease of pigs caused by type a influenza viruses that regularly cause outbreaks of influenza in pigs. The disease in swine occurs within a herd either as an epizootic or enzootic form. By midfebruary 2015, the reported cases and deaths in 2015 had surpassed the previous numbers. What you can do to protect yourself and others against flu. New research details spread of swine flu virus fogarty. The virus is spread among pigs by aerosols and direct and indirect contact, and. Swine flu viruses are easily transmissible among humans beings. In 2015 the instances of swine flu substantially increased to five year highs with over 10,000 cases reported and 660 deaths in india. Structure of influenza viruses, connected with influenza. In the epizootic form, the virus quickly moves through all phases of a swine. Swine flu, also known as the h1n1 virus is a type a influenza virus that originates in pigs and pass on to humans. Injection and nasal spray vaccinations are available to prevent swine flu. The 2015 2016 flu season started a little later than the previous three flu seasons. Recently, in 2015, an outbreak of swine flu h1n1 virus had been reported.
Swine flu symptoms resemble to symptoms observed in common cold and flu. Other actions you can take in case swine flu becomes more widespread. But, h1n1 virus is a new swine flu virus and it contains the genetic material of swine, bird and human influenza virus. During the initial months of 2015, an unusual increase in influenza. Since 1999, the world health organization who has issued annual recommendations for influenza vaccine formulations. Swine influenza virus siv or swine origin influenza virus soiv is any strain of the influenza family of viruses that is endemic in pigs. The states of gujarat and rajasthan are the worst affected. Swine flu is a respiratory disease caused by viruses that infect the respiratory tract of pigs. During march and april of that year, almost 2000 cases had been registered, with initial reports indicating severe illness among young and healthy people as well as high mortality rates 1, 2. In 2009 the media labeled as swine flu the flu caused by 2009s new strain of swine origin ah1n1 pandemic virus just as it had earlier dubbed as avian flu flu caused by the recent asian linage hpai high pathogenic avian influenza h5n1 strain that is still endemic in many. The swine flu vaccine, public attitudes, and researcher. Swine flu in humans centers for disease control and. Swine flu is also known as h1n1, h1n2, h2n1 and h3n1 epidemics of swine flu were in.
S hegde medical academy during the year 2015, using. Though injectable vaccines influvac, agrippal, vaxigrip, vaxiflus and fluarix against swine flu are available, the government has ruled out universal vaccination for now and has recommended that it be used only for people who are actively treating the swine. In the 21st century, two epidemics with pandemic potential avian and swine flu were recorded 9, 10. Swine flu, also known as the h1n1 virus, is a relatively new strain of an influenza virus that causes symptoms similar to the regular flu. The 2015 outbreak of severe influenza in kashmir, north india. Early findings about the emerging pandemic of a new strain of influenza a h1n1 in mexico are published in the journal science. In recent years, all bacteria have been sequenced into biofilms so also see swine flu biofilms for 2014 2015. Influenza viruses that commonly circulate in swine are called swine influenza viruses or swine flu viruses.
In the past decade, we heard about bird or swine influenza. Symptoms are fever, cough, sore throat, runny nose, body pains, headache, chills, and fatigue. Optimal use of vaccines for control of influenza a virus in swine. Swine flu is a type of influenza that originates in pigs. For instance, the influenza viruses that caused the avian flu and the hong kong flu. Compared with the previous five influenza seasons, the 2014 2015 season was moderately severe, with overall high levels of outpatient illness, high levels of hospitalization and a relatively high percentage of deaths attributed to pneumonia and influenza. For instance, one report of patients that had been hospitalised with the virus. Swine flu is caused by a variant strain of the influenza virus. In a number of instances, people have developed the swine flu infection when they are closely associated with pigs for example, farmers, and pork processors. The disease first came to attention in 1976 with an army recruits death from swine flu.
Swineswine influenza h1n1 and h3n2v virus it spreads as a seasonal flu. Swine flu is contagious and is spread from persontoperson. Transmission of soiv is thought to occur in the same way as seasonal flu. The unprecedented 2015 outbreaks of highly pathogenic avian influenza hpai h5n2 in the u. Humantohuman transmission occurs by inhalation of large infectious droplets and droplet nuclei as well as by direct contact with secretions or aerosols. Widespread fear then led to an oftencriticized massinoculation. This study investigated the presence of the 2009 pandemic influenza ah1n1 virus. Swine flu spread very rapidly worldwide due to its high humantohuman transmission rate and due to the frequency of air travel. Flu seasons can vary in their timing, severity, and duration from one season to another. By midfebruary 2015, the reported cases and deaths in 2015. An outbreak of ah1n1 was reported in early 2015 across india with a high.
Pdf, head of the flu vaccine section of the respected cochrane collaboration, when doctors determine that a patients symptoms are consistent with flu, they are. In most cases the manifestations of the disease is similar to usual flu infection. What the uk governments have done to prepare for a wider outbreak of flu. Like human influenza viruses, there are different subtypes and strains of swine influenza viruses. Review on swine flu and status of swine flu in ethiopia. The best means of dealing with swine flu is to prevent it. Human cases of swine influenza a virus infection occur in individuals who have had a history of recent direct contact with pigs or close within 6 feet contact with pigs. An outbreak of a contagious disease that spreads rapidly and widely pandemic meaning. Etiology influenza virus c ivc and influenza virus d ivd are enveloped rna viruses in the family. Some people with swine flu also have reported runny nose, sore throat, nausea, vomiting and diarrhea. Swine flu refers to swine influenza or the viral infection caused by any of the several types of swine influenza virus. Swine influenza simple english wikipedia, the free.
Spanish flu 1918, the asian flu 1957 and hong kong flu 1968 7. Vaccination is the primary method for controlling pathogenic influenza viruses in swine, although this is not currently applicable to ivc or ivd. Detection of pandemic strain of influenza virus ah1n1pdm09 in. Pdf swine flu or the influenza a h1n1 flu, an highly contagious acute. Swine influenza is also called pig influenza or swine flu, hog flu and pig flu, is an infection caused by any one of several types of swine influenza viruses. Alkhawaja and others published swine influenza a h1n1 23 apr 2009 swine influenza swine flu is a respiratory disease of pigs caused by swine flu viruses cause high levels of illness and low death rates in. See frequently asked flu questions 20172018 influenza season for flu and flu vaccine information specific to the current flu season. Swine flu data very consistent with early stages of a. Diagnosis can be made by testing a swab of mucus from the nose or throat. New research details spread of swine flu virus july august 2011 volume 10, issue 4 full julyaugust 2011 global health matters newsletter pdf 5. Each patient visiting either the swine flu opd or the swine flu ward, who was. Swine influenza aetiology epidemiology diagnosis prevention and control references swine influenza is a highly contagious viral infection of pigs. The symptoms of swine flu in people are expected to be similar to the symptoms of regular human. The most common strains i have moved into the swine flu 2015 program.
Swine flu is the name for the influenza type a virus that affects pigs swine. There are many strains of the virus that only infect pigs. If the given system of differential equation in mathematical model. Airborne transmission may have played a role in the spread of 2015.
The swine flu causes many symptoms similar to regular influenza. It originated in pigs but is spread primarily from person. A respiratory illness of pigs caused by infection with swine influenza a virus siv. In april 2009, the public was notified about the outbreak of a new influenza virus in mexico. Cdc estimates that between about 8,870 and 18,300 2009 h1n1related deaths occurred between april 2009 and 10 april 2010. The h1n1 influenza pandemic of 20092010 the johns hopkins. But the soldier at fort dix was a young man likely in very good physical condition, and more than half of the serious cases of the 2009. Swine influenza is an infection caused by any one of several types of swine influenza viruses. In june 2009, the world health organization who issued a pandemic alert concerning the. Not only are children wellknown agents of infection when it comes to colds and flu, the. Swine flu is a highly contagious respiratory disease which spreads quickly from person to person.
Swine flu is also known as swine influenza, hog flu and pig flu. Historical annual reformulations of the influenza vaccine wikipedia. Its called swine flu because in the past, the people who caught it had direct contact with pigs. Swine flu is caused by a specific strain of the h1n1 virus and the newest swine flu virus, h3n2v. Lots of people with swine flu experienced diarrhea and fever or vomiting. To overview the epidemiology of swine flu and its status in ethiopia. At present, there is no evidence of spread of infection by. The swine flu outbreak was reported in 2009 and according to statistics, nearly 575,400 people have died from swine flu worldwide. Only people who used to have direct contact with pigs were observed to get swine flu in the past.
Swine influenza virus is a virus that is common in pigs. It is the same disease for different animal species as well as for man. Publicationsinfluenzaviruscharacterisationdecember2015. A study on awareness, attitude and myths regarding swine flu. However, sporadic human infections with swine flu have occurred. It is respiratory disease first seen in pigs, that caused by influenza virus that affects the respiratory zone of the animal causing it show symptoms such as nasal secre. Swine influenza, or swine flu, is a highly contagious acute respiratory disease of pigs, caused by one of several swine influenza a viruses. Subsequent cases of swine flu were reported in india in 2015, with over 31,156 positive test cases and 1,841 deaths up to march 2015. With swine flu claiming so many lives across the nation it is little tricky to give a straight answer to such a simple question. Author guide figure creation table creation equation creation reference. Influenza surveillance in swine procedures manual 124.