And it can make an illness like diabetes or asthma worse. A novel influenza a h1n1 virus of swine origin emerged among people in mexico during the spring of 2009 and. The virus is spread among pigs by aerosols, through direct and indirect contact, and also by asymptomatic carrier pigs. Swine flu h1n1, h3n2v symptoms, vaccination, treatment. Swine influenza is caused by influenza a viruses in the family orthomyxoviridae. Influenza, one of the most common infectious diseases, is a highly contagious airborne disease that occurs in seasonal epidemics and manifests as an acute febrile illness with variable degrees of systemic symptoms, ranging from mild fatigue to respiratory failure and death. Swine influenza is a highly contagious acute respiratory disease of pigs, caused by one of the several strains of swine influenza a. Swine influenza is an infection caused by any one of several types o f swin e influen za virus es. Swine influenza is a highly contagious viral infection of pigs.
Swine flu, or h1n1, moved from pigs to people in 2009 and caused a pandemic. H1n1 influenza swine flu statpearls ncbi bookshelf. Influenza, or the flu, is a viral infection that attacks the lungs, nose, and throat. The symptoms of swine flu in people are expected to be similar to the symptoms of regular human. Like the regular flu, swine flu can lead to more serious problems including pneumonia, a lung infection, and other breathing problems. Webmd gives frank answers to questions about what we know, and dont know, about the pandemic flu vaccine. H1n1 swine flu is an acute disease that infects the upper respiratory tract and can cause inflammation. If you have symptoms like shortness of breath, severe vomiting, pain in your belly or sides, dizziness, or confusion. The great swine flu epidemic of 1976 never took place. These videos do not provide medical advice and are for informational purposes only. In this context, the term avian influenza or bird flu refers to zoonotic human infection with an influenza strain that primarily affects birds. Covid19 kills more in a month than flu and cars do in a. Influenza, an acute contagious respiratory infection caused by orthomyxoviruses a, b, and c, occurs in local outbreaks, epidemics and pandemics. Unlike typhus, which can be transmitted by lice or ticks, transmission usually occurs from person to person, not animal to person.
Pigs most commonly get infected with flu viruses from other pigs swine flu, but. And thats how you catch the flu, and thats how this swine flu is now being transmitted. Causes, symptoms, and treatment medical news today. Symptoms of h1n1 flu are similar to those of the common flu. Influenza a is virulent, b is mild, and c is nonvirulent. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Communicating today based on the lessons from the 19181919 influenza pandemic pdf icon 1. Influenza virology and animal transmission studies antigenic and genetic characteristics of swineorigin 2009 ah1n1 influenza viruses circulating in humans pdf icon 327 mb, 7 pages external icon. Pdf psychological predictors of anxiety in response to.
It is now a relatively common type of flu, and most people have some immunity. The swine flu pandemic primarily affected children and young adults who had no immunity to the new virus, while nearly onethird of people. The great swine flu epidemic of 1976 realclearpolitics. As of 2009, the known siv strains in clude inf luenza c and the subtyp es of inf luenza a known as h1n1, h1n2, h2n1, h3n1, h3n2, and h2n3. Swine influenza viruses belong to the species influenza a virus, genus.
United states, new jersey, congress, united states army, president, secretary of health, swine flu. Differences in the morphology and antigen patterns for these viruses account for the differences in virulence and immunity. Psychological predictors of anxiety in response to the h1n1 swine flu pandemic article pdf available in cognitive therapy and research 363. The symptoms of swine flu in people are expected to be similar to the symptoms of regular human seasonal influenza and include fever.
There are three antiviral medications that treat swine flu. You cant catch swine flu from eating properly cooked pork products. The complete story of the discovery and reconstruction of the 1918 pandemic virus. Swine flu h1n1 and h3n2v symptoms include headache, fever, chills, cough, sore throat, nausea, vomiting, and diarrhea. Swine flu in humans centers for disease control and. Swine flu is caused by a strain of influenza virus that usually only infects pigs. Some people with swine flu also have reported runny nose, sore throat, nausea, vomiting and diarrhea.
However, there have been cases of humantohuman spread of swine flu. Its a contagious respiratory illness with symptoms ranging from mild to severe. Infection with the h1n1 influenza virus can result in severe illness and lifethreatening complications. Its called swine flu because in the past, the people who caught it had direct contact with pigs.
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