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Understanding the H1N1 virus

February 27th, 2010 No comments

Understanding Swine Flu Basics

There has been much ado about Swine Flu or the H1N1 virus. From the hype about the vaccine to the miscalculations of swine flu casualties, it has been difficult to find the truth about the disease.

The truth is that the name swine flu is not a new illness for a flu strain, yet this particular strain of the virus is. In addition, the vaccine created to prevent this particular flu underwent the same testing that the traditional flu shots undergo. Another truth is that there is no cure for the swine flu-it must run its course like its seasonal counterpart. In addition, swine flu does not come from pork.

With that out of the way, here is some useful information about swine flu that may you understand just what this virus really is.

What is the Swine Flu?

It is a strain of the influenza virus that has genetic material in common with viruses found not only pigs in Europe and Asia, but also birds and humans. Because of these multiple sources, the Center for Disease Control and Prevention (CDC) calls this a quadruple reassortant virus. Swine flu was first discovered in April of 2009. The World Health Organization (WHO) declared it in June 2009. It is spread through human to human contact, in the form of unprotected (mouth uncovered) sneezing and coughing as well as transferring the virus from a surface like a doorknob by touch. The unwashed hand then transmits the virus by touching the eyes, mouth, or nose.

Swine Flu History

Although the 2009 strain of swine flu was a new one, the name “swine flu” has quite a history. In fact, a more deadly early strain that appeared in 1918 is a descendant of the current H1N1 or swine flu. At that time, there was no previous flu viruses made up of both bird and swine genetic materials. In fact, the CDC writes that “many questioned whether such an explosively fatal disease could be influenza at all”.

Strains of this original H1N1 disease has cropped up influenza epidemics in 1957, 1977 and even 2006. The CDC has been studying this hybrid virus and the strains it produced in an effort to gain more understanding. Some researchers believe that the key is the original H1N1 virus, which hit the world in three waves over the spring, summer and winter of 1918 and 1919.

Another notable swine flu epidemic took place in 1977. The flu that year was widespread, but it was the vaccine that made the news. That year, according to Washington Post reporter David Brown, over 400 of the 43 million people vaccinated contracted Guillian Barre Syndrome or GBS. Twenty-five of those with GBS died of the illness. GBS causes muscle weakness and eventually paralysis.

Testing on the vaccine found that the vaccine used was not contaminated. Otherwise, the WHO say that the cause of the 1976-77 reaction to the vaccine is limited to that particular vaccine. Extra steps have been taken to ensure that the 2009 vaccine does not have the same effects.

Treating a Swine Flu Outbreak in Your Home

Symptoms The signs of contracting swine flu are described by the CDC as fever, cough, body aches, headache, diarrhea, sore throat, vomiting and chills. Some people experience all of these symptoms; others only come down with a few.

Treatment Swine is treated like its seasonal counterparts, with rest and no contact with the public. Stay at home until your fever is gone for 24 hours. The fever must be maintained without medications. Wash your hands often and cover your mouth when coughing and sneezing.

Seek emergency medical care if your fever is more than 103 and does not respond to medications. Also go immediately to the hospital if you experience trouble breathing, blue coloring in the skin, rash, abdominal pain and pressure, disorientation, unrelenting vomiting. Swine Flu Prevention

The only way to prevent the flu is to wash your hands several times a day and get the swine flu vaccine. Some people wore masks during flu outbreaks to prevent transmission from stray coughing and sneezing droplets. However, the swine flu vaccine is a less conspicuous way to prevent coming down with the flu.

Flu Safety

The injected swine flu vaccine is comprised of an inactive version of the virus. The nasal spray vaccine is made from a live but weakened version of the virus. Although the vaccines may cause lfu-like symptoms, according to WHO, the swine flu virus cannot develop from the dead or weakened viruses in the vaccine.

Cases of people who have been vaccinated, but still contract the flu are not related to the vaccine itself. These people usually contract the virus within two weeks of getting their vaccine-before the vaccine has created full immunity within the body. In addition, immunity depends on the body receiving the vaccine. Not every body will develop immunity strong enough to overcome the virus. Vaccinated individuals can also catch the seasonal flu strains, as the swine flu vaccine does not work on seasonal flu strains.

All Symptoms of Swine Flu

February 21st, 2010 No comments

Symptoms of swine flu are similar to markedly influenza infections: fever (100F or greater), cough, nasal secretions, fatigue, and headache, stash fatigue now reported ascendancy most infected humans. Some patients again attain nausea, vomiting, and diarrhea. connections Mexico, legion of the patients are young adults, which made some investigators speculate that a lionhearted immune dash may cause some collateral tissue total. Some patients present iced respiratory symptoms further need respiratory support (corresponding as a ventilator to breathe for the patient). Patients fault produce pneumonia (bacterial secondary infection) if the viral infection persists, besides some can develop seizures. Death often occurs from inferior bacterial infection of the lungs; appropriate antibiotics need to epitomize used in these patients. The natural silence (death) ratio for appropriate influenza A is about 0.1%, while the 1918 “Spanish flu” epidemic had an estimated fatality scale ranging from 2%-20%. Swine flu in Mexico (over of April 2009) has had about 160 deaths and about 2,500 confirmed cases, which would correspond to a extinction rate of about 6%, but these initial lore posit been revised again the mortality rate currently in Mexico is estimated to represent conspicuously inferior.

By June 2009, the virus had reached 74 different countries on every continent except Antarctica, and by September 2009, the virus had been reported money most countries in the world. Fortunately, the fatality proportion being of October 2009 has been low but higher than considering the conventional flu (average conventional flu mortality scale is about 36,000 per year; projected novel H1N1 flu mortality rate is 90,000 per year in the U.S. as determined by the president’s advisory committee).

How is swine flu (H1N1) diagnosed?

Swine flu is presumptively diagnosed clinically by the patient’s history of association shadow people intimate to be credulous the disease again their symptoms listed large-scale. Usually, a expeditious test (for example, nasopharyngeal swab ostentation) is done to see if the forgiving is infected camouflage influenza A or B virus. Most of the tests engagement distinguish between A and B types. The test can exhibit negative (no flu ailment) or positive for type A and B. If the test is positive for type B, the flu is not likely to represent swine flu (H1N1). If it is positive for shape A, the person could have a conventional flu strain or swine flu (H1N1). However, the correctness of these tests has been challenged, and the U.S. Centers for Disease Control and Prevention (CDC) has not on ice their comparative studies of these tests. However, a in addition test developed by the CDC besides a commercial company reportedly can detect H1N1 reliably power about unrivaled hour; as of October 2009, the test is diagnostic available to the military.

Swine flu (H1N1) is definitively diagnosed by identifying the distinctive antigens associated mask the virus type. In general, this confrontation is done in a extraordinary laboratory and is not done by prevalent doctors’ offices or hospital laboratories. However, doctors’ offices are energetic to shoulder specimens to specialized laboratories if necessary. Because of the large admit of unknown H1N1 swine flu cases (thanks to of October 2009, the bulky majority of flu cases [about 99%] are germane to novel H1N1 flu viruses), the CDC recommends discrete hospitalized patients’ flu virus strains impersonate sent to passage labs to impersonate identified.

Swine flu prevention

November 13th, 2009 No comments

Influenza type activity is becoming more prevalent as the flu season progresses. The H1N1 virus is now widespread in forty-eight states. Doctor and hospital visits are on the rise and the influenza death rate has increased from years past. After testing many people with the flu, the H1N1 virus has shown to be the overwhelming culprit. This flu season is definitely going to be a tough one for sure but there are measures that can be taken to prevent this spreading illness. We all definitely need to be more proactive to protect ourselves and our family when we’re at work, church, school and out shopping. So how can I prevent H1N1 you might ask? Well there are some practical steps you can take.

We can get the swine flu vaccine. I do have concerns however with the vaccine. It’s very new and was only tested on a small group of people before being issued to the general public. Health experts claim that the vaccine is created in the same way as the regular flu vaccine. If that’s the case then the concern lies with if you feel comfortable with vaccines in general.

Some other ways you can avoid swine flu is to frequently wash your hands. I found a very effective way to keep your (and your kid’s) hands clean is to take some travel size hand sanitizer with you in your pocket or purse. Using it often after touching things out in the public like door knobs, gas pumps and shopping carts can be a great asset in preventing swine flu.

You should also get plenty of sleep and eat healthy for a strong immune system. Try to avoid crowded places in tight areas, for example take the stairs instead of a packed elevator. So if you’re asking how can I prevent H1N1 I hope this gave you some helpful tips. Again this is going to be a very challenging flu season, but following some very smart and effective steps can increase your chances of not catching this terrible illness.

What Are the Symptoms of Swine Flu?

November 7th, 2009 No comments

Until now, the swine flu appeared to be the result of an infection from a virus exchange virus between pigs and humans. Influenza A H1N1 that started in early 2009, leading the global pandemic (for now include all countries of the earth) of influenza A H1N1, is an infection by a new virus that is a combination of several viruses currently circulating, Parents flu (in connection with birds), swine (in connection with the pig) and human.

Patients suffering from swine influenza have exactly the same symptoms as ordinary flu (seasonal).

What are the symptoms of swine flu?

There, after an incubation period (period between infection with influenza A H1N1 and the onset of symptoms) from 24 to 48 hours:

  • A rise in temperature up to 41°C.
  • Pain above type muscle throughout the body and, as usual for the flu, mostly in the back.
  • Pain in the throat associated with headache .
  • A prostration (with extreme weakness) sometimes with severe fatigue but variable among individuals.
  • Difficulty breathing, sometimes very important.
  • A rather dry cough had also the characteristic of being profound.
  • A very important nasal discharge.
  • Diarrhea (rarely).
  • Vomiting (rarely).
  • A loss of appetite occur suddenly.

The evolution of influenza A H1N1 is variable among individuals. With the new virus, it is impossible to predict changes with certainty. Usually, influenza A H1N1 evolves favorably toward recovery in a week (sometimes more).

It is possible to attempt to identify the pathogen, that is to say, the causative agent or if you prefer the microbe, using a reaction of hemagglutination or indirect immunofluorescence.

Moreover, the demonstration of antibodies can be obtained by performing a hemagglutination inhibition and radial hemolysis.

All these techniques require a relatively long period to highlight the causative agent, namely the virus. The laboratories are working hard to try to finalize a new test quicker and used daily.