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gseiber103

Understanding Influenza - American Lung Association - 0 views

www.lung.org/...understanding-influenza.html

English influenza flu hsa deflitch

shared by gseiber103 on 06 Sep 14 - No Cached
  • Influenza (flu), also referred to as seasonal flu, is a highly contagious illness caused by the influenza virus.
  • spread easily from person to person, usually when an infected person coughs or sneezes.
  • different influenza virus fami­lies: A, B or C
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  • Influenza type A viruses can infect people, as well as birds, pigs, horses, and other animals
  • There are two subtypes of influenza A viruses found in and circulating among humans: regular H1N1 and H3N2. These two subtypes are included in the seasonal flu vaccine each year.
  • Influenza B viruses can cause illness among humans, but in general are associated with less severe contagious disease than influenza A viruses.
  • Influenza Type B viruses are usually found only in humans
  • highly contagious in birds, it does not usually infect humans
  • This new flu virus, also known as swine flu, is a subtype of influenza Type A. It has been spreading quickly around the world. It causes illness similar to seasonal flu.
  • Avian influenza, or bird flu, is also a subtype of influenza Type A viruses
  • Each year around 3,000 to 49,000 Americans die from flu and its complications. For healthy children and adults, influenza is typically a moderately severe illness.  Most people are back on their feet within a week.  Certain groups of people are more susceptible to complications related to the flu and are considered "high risk
  • Influenza Type C viruses cause mild illness in humans. Influenza C cases occur much less frequently than A and B and are not typically included in the seasonal flu vaccine
  • The best thing to do is to stay home and avoid contact with other people except to get medical care.
  •  If you are considered high risk, it is important to contact your health care provider right away. People at high risk are more likely to suffer from severe complications from the influenza virus.
  • Pneumonia is the most common serious complication of influenza
klong886

How Is the Flu Diagnosed? - 0 views

coldflu.about.com/...How-Is-The-Flu-Diagnosed.htm

flu diagnosis

shared by klong886 on 06 Sep 14 - No Cached
  • the flu is often diagnosed based on a combination of symptoms and a flu test.
  • Common flu symptoms include:
  • Fever Fatigue/exhaustion Cough Body aches Headache
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  • may be prescribed antiviral medications
  • your health care provider may decide that you should be tested for the flu. Usually, this will involve a nasal or throat culture and the test can be run in the office.
  • While these tests are useful, they are not definitive when making a flu diagnosis because false negatives are fairly common
  • If you believe you might have the flu, try to see your health care provider within the first 48 hours of the onset of your symptoms.
  • And if you need treatment with antiviral medications, they are more likely to be effective
gseiber103

Symptoms, Diagnosis and Treatment - American Lung Association - 0 views

www.lung.org/...ptoms-diagnosis-treatment.html

English influenza flu hsa deflitch

shared by gseiber103 on 07 Sep 14 - No Cached
  • Influenza is a respiratory infection with symptoms that can affect the entire body.
  • Sudden onset of high fever Headache, muscle aches and joint pain Cough (usually dry) Chills Sore throat Nasal congestion and runny nose
  • A doctor's exam may be needed to tell whether you have developed the flu or a complication of the flu.
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  • At this time, two antiviral drugs are available: oseltamivir (trade name Tamiflu®), which comes in pill form, and zanamivir (trade name Relenza®), which is a powder that comes in an inhaler.
  • have been shown to reduce flu symptoms if started within a day or two of getting sick.
  • Anti-viral medicine is recommended for people with more severe illness
  • Treatment with anti-viral medicine is most important for people with suspected or confirmed influenza who are at higher risk for complications,
  • Children younger than 2 years old Adults 65 years and older Pregnant women People with certain chronic medical conditions, such as asthma or COPD, or with suppressed immune systems
chamonsta

Epidemiology of Avian Influenza - 0 views

www.fao.org/...clinical.html

shared by chamonsta on 07 Sep 15 - No Cached
  • Avian influenza (AI) is caused by specified viruses that are members of the family Orthomyxoviridae and placed in the genus influenzavirus A
  • There are three influenza genera - A, B and C;
  • Domestic fowl, ducks, geese, turkeys, guinea fowl, quail and pheasants are susceptible.
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  • Disease outbreaks occur most frequently in domestic fowl and turkeys. A particular isolate may produce severe disease in turkeys but not in chickens or any other avian species. Therefore, it would be impossible to generalize on the host range for avian influenza, for it will likely vary with the isolate. This assumption is supported by reports of farm outbreaks where only a single avian species of several species present on the farm became infected. Many species of wild birds particularly water birds and seabirds - are also susceptible, but infections in these birds are generally sub-clinical.
  • athogenic strains could emerge and cause disease in domestic poultry in any country at any time without warning. In fact, outbreaks have occurred at irregular intervals on all continents.
  • he most serious outbreaks in recent times have been reported in Hong Kong 1997-1998 and 2003, Chile 2002, The Netherlands 2003 and South East Asia 2004-2006.
  • he incubation period is 3 to 5 days in general but may be longer. Maximal incubation period is 21 days as defined by the OIE Terrestrial Animal Health Code.
  • Inactivated quality assured oil-emulsion vaccines have been demonstrated to be effective in reducing mortality, preventing disease, or both, in chickens and turkeys. These vaccines, however, may not prevent infection in some individual birds, and if infected could shed virulent virus. Nevertheless, the amount virus shed is considerable less than that of non-vaccinated and infected birds. It is imperative that the circulating antigenic avian influenza virus is known and the vaccine represent this antigenic strain, since there is no cross-protection among the 15 known HA subtypes.
  • Birds that die of peracute disease may show minimal gross lesions, consisting of dehydration and congestion of viscera and muscles.
  • The following diseases must be considered in the differential diagnosis of virulent AI: Other diseases causing sudden high mortality Newcastle disease infectious laryngotracheitis duck plague acute poisonings
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