Swine flu is a respiratory disease and has some elements of a virus found in pigs. The death toll due to h1n1 virus has reached around 736 across the country with over 15,121 cases of the viral infection. Flu seasons can vary in their timing, severity, and duration from one season to another. Measures to minimize influenza transmission at swine exhibitions, 2018 nasaho and nasphv pdf icon 97 kb, 8 pages external icon videos podcast video podcast. Swine influenza virus siv or swineorigin influenza virus soiv is any strain of the influenza family of viruses that is endemic in pigs. An epidemiological study of recent outbreak of influenza a. It is actually a respiratory disorder, symptom of pigs that is caused by type a influenza viruses. A canine influenza ah3n2 virus emerged in the united states in februarymarch 2015, causing respiratory disease in dogs. Feng lp, zhang hl, liu cx, leng cl, chen jc, li z, et al. Swine have been hypothesized to be a mixing vessel for influenza viruses and were the source of the 2009 h1n1 human pandemic virus garten et al. Number of deaths caused by swine flu in madhya pradeshs indore this. Swine influenza fact sheet symptoms of swine influenza the symptoms of swine flu in people are expected to be similar to the symptoms of regular human seasonal influenza and include fever, lethargy, lack of appetite and coughing.
Total number of deaths bird a s s mutation of the virus h1n1 s pig human 1 10 0 51 100 e countries affected sources. It is respiratory illness of pigs caused by infection with swine influenza a virus. Avian influenza, known informally as avian flu or bird flu, is a variety of influenza caused by viruses adapted to birds. Spread of canine influenza ah3n2 virus, united states. Swine influenza also called swine flu, hog flu, and pig flu. Find information on swine flu, including prevention and treatment, at everyday health. Jun, 2019 feng lp, zhang hl, liu cx, leng cl, chen jc, li z, et al. Swine flu causes, symptoms, treatments, complications. Swine flu death toll nears 600 in india india news. Knowledge and awareness regarding swineinfluenza a h1n1.
Swine flu kills 3 in madhya pradeshs indore, number of deaths now 32. As of 2009, the known siv strains include influenza c and the subtypes of influenza a known as h1n1, h1n2, h2n1, h3n1, h3n2, and h2n3. Recently an outbreak of influenza a h1n1 occurred in the western rajasthan region of india. Oct, 2015 the country is in a grip of swine flu with at least 810 succumbing to swine flu deaths this year. To better understand virus shedding patterns and antibody response dynamics in the context of iav surveillance amongst feral swine, we used iav of feral swine origin to perform infection experiments. In addition to specific yearperiodrelated events, theres the seasonal flu that kills between 250,000 and 500,000 people every year, and has claimed between 340 million and 1 billion human lives throughout history. Apr 22, 2016 swine have been hypothesized to be a mixing vessel for influenza viruses and were the source of the 2009 h1n1 human pandemic virus garten et al. See frequently asked flu questions 20172018 influenza season for flu and flu vaccine information specific to the current flu season. As at march 2015, h1n1pdm09 cases are still being detected in lagos piggery estate 8 isolates samples from 7 major pig producing states and major live pig market were positive 15 for swine influenza matrix gene subtyping underway serology in commercial farms, 303 sera 29. Swine flu is a strain of flu that normally occurs among pigs but has begun spreading among humans. Swine flu or the influenza a h1n1 flu, an acute respiratory disease of the pigs, is caused by one of the numerous swine influenza a strains and is highly contagious. The website quotes research led by sir liam donaldson, the chief medical officer, which found that only 0.
Lots of people with swine flu experienced diarrhea and fever or vomiting. Novel h1n1 referred to as swine flu early on is a new influenza virus causing illness in people. Molecular epidemiological analysis for new subgenotype 2. Symptoms are fever, cough, sore throat, runny nose, body pains, headache, chills, and fatigue. The transmission of the virus is from persontoperson and is similar to the manner in which seasonal influenza spreads. These are fever, lethargy, lack of appetite and coughing. This document does not necessarily represent the views of the commission services please note that this document has been established for information and consultation purposes only. The country is in a grip of swine flu with at least 810 succumbing to swine flu deaths this year. However, it is now a regular human flu virus that continues to circulate seasonally worldwide.
There is no evidence of this disease circulating in pigs in the uk and scientists are investigating its origins. The typical incubation period found for influenza is 1 to 4 days, with an average of 2 to. The swine flu was initially seen in humans in mexico in 2009, where the strand of the particular virus was a marriage of 3 types of strands. Who, robert koch institute spread of swine flu up to august 2010 transmission from animals to humans the origins of hn 26 27. It is termed as swine flu because the virus that first caused the disease had originated from pigs. Assessing the low influenza vaccination coverage rate among. H1n1 influenza or swine flu is a highly contagious acute respiratory disease of pigs caused by type a influenza virus that regularly causes outbreaks of influenza in pigs. Received 03 april 20 revised 12 july 20 accepted 20 july 20 early online 25 july 20 print 31 august 20 the influenza a h1n1 virus is a highly contagious pathogen which caused the 2009 influenza pandemic. Each patient visiting either the swine flu opd or the swine flu ward, who was. Swine flu is also known as swine influenza, hog flu and pig flu. About the author influenza d virus in cattle, ireland. Again year 2015 begins with swine flu outbreak across the country and within two beginning months of the year, death toll crossed.
This new virus was first detected in people in the united. This health economics virtual issue was created to facilitate access to articles published on pandemics, influenza and vaccines in the journal. The reemergent 1977 h1n1 strain and the gainoffunction. Strategic approach to the management of african swine. Swine flu claims two lives in mumbai, 120 across state. Only people who used to have direct contact with pigs were observed to get swine flu in the past. The symptoms observed in patients suffering from swine flu are more or less similar to the symptoms of regular human seasonal influenza. While there are several hypotheses that could explain its origin, the possibility that the 1977 epidemic resulted from a laboratory accident has recently gained popularity in discussions about the biosafety risks of gainof. Swine flu is an orthomyxo rna virus, having two surface antigens hemagglutinin type 1 and n1 neuraminidase type 1. The 19771978 influenza epidemic was probably not a natural event, as the genetic sequence of the virus was nearly identical to the sequences of decadesold strains. Some people with swine flu also have reported runny nose, sore throat, nausea, vomiting and diarrhea. Continuous evolution of influenza a viruses of swine from 20 to 2015 in guangdong, china. Bird flu is similar to swine flu, dog flu, horse flu and human flu as an illness caused by strains of influenza viruses that have adapted to a specific host. Shots health news an influenza virus that only infects pigs could very quickly lead to a dangerous flu pandemic in humans, a.
Herd information was available for 10 of the influenza. It is a respiratory disease caused by h1 n1 type a influenza virus. Egypt orders slaughter of all pigs over swine flu health. A retrospective, descriptive study was carried out to describe the epidemiological profile.
Swine flu has claimed 34 more lives as the nationwide toll from the h1n1 virus touched 1,075 with the number of cases of the disease inching towards the 20,000 mark. This was a wellconducted investigation into all deaths in england attributed to swine flu up to november 2009. African swine fever virus asfv persists in subsaharan africa through a sylvatic cycle between warthogs and soft ticks that infest their burrows. The global antigenic diversity of swine influenza a. Shots health news an influenza virus that only infects pigs could very quickly lead to a dangerous flu pandemic in humans, a recent study reports. Cdc recommendations to reduce the risk of h3n2v flu virus infection for fairgoers and swine exhibitors 5 mb, 5 min 51 sec. 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. The 2015 2016 flu season started a little later than the previous three flu seasons.
The type with the greatest risk is highly pathogenic avian influenza hpai. The threat of a new avian influenza virus causing a human pandemic is still. The virus was highly infectious and transmissible in. In egypt, pigs are raised and consumed mainly by the christian minority, which some estimates put at 10 percent of the population. Given their freeranging habits, feral swine could serve as reservoirs or spatially dynamic mixing vessels for influenza a virus iav. Impact of influenza vaccination on mortality in the french elderly population during the 20002009 period. Avian pox in native captive psittacines, brazil, 2015. Effects of pb1f2 on the pathogenicity of h1n1 swine influenza virus in mice and pigs jinhwa lee 1, jamie henningson 1, jingjiao ma 1, michael duff 1, yuekun lang 1, yonghai li 1, yuhao li 1, abdou nagy 1, sunyoung sunwoo 1, bhupinder bawa 1, jianmei yang 1,2, dingping bai 1,3, juergen a. Nih confirmed on wednesday that two people have died of h1n1 influenza, or swine flu, in wah cantonment last week. 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. Swine influenza is also referred to as h1n1 type a influenza.
Some patients also have reported runny nose, sore throat, severe body pain, abdominal pain with or without nausea, vomiting and diarrhoea. The virus does not cause disease in these animals, however transmission of the virus to domestic pigs or wild boar causes a. Swine flu in humans centers for disease control and. Swine flu refers to swine influenza or the viral infection caused by any of the several types of swine influenza virus. Detailed cost of vaccination immunization in india birth. In 2016, delhi had reported 193 cases of h1n1 virus till this time of the year. The directionality and relative threat of transmission is generally assumed to be from swine into humans with attention only recently turning to introductions in the opposite direction from humans into swine and the. Effects of pb1f2 on the pathogenicity of h1n1 swine. If youve had a flu shot this year, you have the best protection from swine flu. Pathogen transmission from wildlife hosts to genetically distinct species is a major driver of disease emergence. A 30yearold woman from agripada and a 65yearold diabetic woman from mazgaon died in the month of march due to swine flu, as per the records presented by the death audit committee meeting held in april. Meanwhile, a second wave of swine u hits germany at the beginning of november. The swine flu virus also known as influenza a h1n1 emerged in 2009 and caused the first influenza pandemic in more than 40 years.
Due to the high level of movement between herds in northern ireland and the republic. The emergence and evolution of influenza a h1a microbiology. Swine flu had recently claimed 3 more lives and 19 others have been diagnosed with the h1n1 virus. Most commonly, these cases occur in persons with direct exposure to pigs e.
Swine flu has been confirmed in a number of countries and it is spreading from human to human, which could. The total number of laboratory confirmed cases crossed 33,000. The virus had previously been circulating among dogs in asia, where it originated through the transfer of an avianorigin influenza virus around 2005 and continues to circulate. Swine influenza fact sheet university of louisville. The states of gujarat and rajasthan were the worst affected india had reported 937 cases and 218 deaths from swine flu in the year 2014. Dynamics of virus shedding and antibody responses in. Health ministry spokesman abdelrahman shaheen estimated there. But, h 1 n 1 virus is a new swine flu virus and it contains the genetic material of swine, bird and human influenza virus. Cities press trust of india tuesday march 12, 2019. The death toll from swine flu in 2015 alone has soared to 585 with 100 more casualties reported across the country in since february 12. Swine influenza virus siv or swine origin influenza virus soiv is any strain of the influenza family of viruses that is endemic in pigs.
We also determined the distribution of positive and negative samples at county level in ireland online technical appendix figure 2. Pdf in 1918, a strain of influenza a virus caused a human. May 11, 2009 may 11, 2009 the h1n1 swine flu has caused a surge in doctor visits for flu like symptoms and now about a third of flu cases are infections with the new flu bug fortunately, the most. Epidemic over a wide geographic area and affecting a large proportion of. Detection of influenza d virus in bovine respiratory. H1n1, and avian influenza, mers, and ebola virus disease, and compare them. Swine flu is also known as h1n1, h1n2, h2n1 and h3n1 epidemics of swine flu were in. An outbreak of a contagious disease that spreads rapidly and widely pandemic meaning. Swine flu in another name is known as h1n1 virus flu detected in 2009. Swine influenza is an infection caused by any one of several types of swine influenza viruses. Sep 11, 2012 two mutations can transform a swine flu virus.
S and others published swine flu and the current influenza a h1n1 pandemic in humans. Strategic approach to the management of african swine fever for the eu. By midfebruary 2015, the reported cases and deaths in 2015 had surpassed the previous numbers. The current seasonal influenza vaccine has been designed to include protection against the swine flu virus. However, sporadic human infections with swine flu have occurred. Sep 01, 2017 swine flu is a strain of flu that normally occurs among pigs but has begun spreading among humans. Swine flu is less lethal than feared, according to reports on the bbc news.
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