Difference between revisions of "Influenza"

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In April, 2009, an outbreak of Swine Flu was reported, first in Mexico, and then immediately after other countries as well, giving every indication of a possible pandemic.  The [[Centers for Disease Control and Prevention]] said the [[Mexico|Mexican]] virus samples match the [[U.S.]] virus. ''The virus is a mix of human virus, bird virus from [[North America]] and pig viruses from North America, [[Europe]] and [[Asia]].''  The CDC recommends the use of the flu drugs Tamiflu and Relenza, as there isn't a specific vaccine for the current mutated strain. <ref>[http://www2a.cdc.gov/podcasts/player.asp?f=11226 CDC Podcast]</ref> It is genetically different from the fully human H1N1 seasonal influenza virus that has been circulating globally for the past few years. The new flu virus contains DNA typical to avian, swine and human viruses, including elements from European and Asian swine viruses. <ref>[http://www.cdc.gov/swineflu/ CDC: Swine Influenza]</ref> <ref>[http://www.who.int/csr/don/2009_04_24/en/index.html WHO bulletin: Epidemic and Pandemic Alert and Response (EPR)]</ref>
 
In April, 2009, an outbreak of Swine Flu was reported, first in Mexico, and then immediately after other countries as well, giving every indication of a possible pandemic.  The [[Centers for Disease Control and Prevention]] said the [[Mexico|Mexican]] virus samples match the [[U.S.]] virus. ''The virus is a mix of human virus, bird virus from [[North America]] and pig viruses from North America, [[Europe]] and [[Asia]].''  The CDC recommends the use of the flu drugs Tamiflu and Relenza, as there isn't a specific vaccine for the current mutated strain. <ref>[http://www2a.cdc.gov/podcasts/player.asp?f=11226 CDC Podcast]</ref> It is genetically different from the fully human H1N1 seasonal influenza virus that has been circulating globally for the past few years. The new flu virus contains DNA typical to avian, swine and human viruses, including elements from European and Asian swine viruses. <ref>[http://www.cdc.gov/swineflu/ CDC: Swine Influenza]</ref> <ref>[http://www.who.int/csr/don/2009_04_24/en/index.html WHO bulletin: Epidemic and Pandemic Alert and Response (EPR)]</ref>
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Like all life and non-life on earth, Swine Flu was created by God during creation.
  
 
===Spanish Flu===
 
===Spanish Flu===

Revision as of 22:05, 17 May 2009

Flu und legende.jpg

Influenza or Flu is an infliction caused by a virus that affects the nose, throat, and lungs. The Flu may cause severe illness and is life-threatening in both infants and older people.

Symptoms

When Flu Occurs

The peak of flu season can occur anywhere from late December through March. In the Southern Hemisphere the season is from June to September. The overall health impact (e.g., infections, hospitalizations, and deaths) of a flu season varies from year to year. Seasons are more likely to be severe if the epidemic originates in China. The Centres for Disease Control monitors circulating flu viruses and their related disease activity and provides influenza reports each week from October through May.

Contagion

The period when an infected person is contagious depends on the age and health of the person. Studies show that most healthy adults may be able to infect others from 2 days prior to becoming sick and for 10 days after they first develop symptoms. Some young children and people with weakened immune systems may be contagious for longer than a week. Infectivity also varies widely between people, with about one in ten being "hyper-infectors" who are responsible for the majority of influenza transmission. While each flu season is unique, it is estimated that, on average, approximately 5% to 20% of people get the flu each year, and more than 200,000 persons are hospitalized for flu-related complications each year. About 36,000 people die on average per year from the complications of flu.


Types

Swine Flu

Swine flu is a respiratory illness in pigs caused by a virus. The swine flu virus routinely causes outbreaks in pigs but doesn't usually kill many of them. Swine flu viruses don't usually infect humans, but there have been occasional cases, usually among people who've had direct contact with infected pigs, such as farm workers. Currently medical workers are exploring the possibility of a mutation of known types of the virus, enabling it to pass among species more easily. There have been cases of the virus spreading from human to human, probably in the same way as seasonal flu, through coughing and sneezing by infected people. The virus is an influenza A virus, carrying the designation H1N1. [1]

In April, 2009, an outbreak of Swine Flu was reported, first in Mexico, and then immediately after other countries as well, giving every indication of a possible pandemic. The Centers for Disease Control and Prevention said the Mexican virus samples match the U.S. virus. The virus is a mix of human virus, bird virus from North America and pig viruses from North America, Europe and Asia. The CDC recommends the use of the flu drugs Tamiflu and Relenza, as there isn't a specific vaccine for the current mutated strain. [2] It is genetically different from the fully human H1N1 seasonal influenza virus that has been circulating globally for the past few years. The new flu virus contains DNA typical to avian, swine and human viruses, including elements from European and Asian swine viruses. [3] [4]

Like all life and non-life on earth, Swine Flu was created by God during creation.

Spanish Flu

The Spanish Flu from 1918 - 1919 was a deadly strain of Influenza A virus which killed twenty million civilians and soldiers during World War I. This pandemic killed 50 to 100 million people worldwide, more people in one year than the Black Death, Bubonic Plague from 1347 to 1351. Indeed, more people died from the Flu than from battle injuries in the war. The flu did not originate in Spain but the Allies called it the “Spanish Flu.” It was called the Spanish Flu because it received greater press attention in Spain than anywhere else in the world. More than one-fifth of the world's population was infected, in large part because of the close quarters of men living together in army camps, and because it was at the end of the war, as they returned they brought the disease back to the world.

This flu was most deadly for those in the healthy age groups, between 20-40, whereas most flu deaths usually occur in the elderly or the very young. The effect of the influenza epidemic was so severe that the average life span in the US was depressed by 10 years. The influenza virus had a profound virulence, with a mortality rate at 2.5% compared to the previous influenza epidemics, which were less than 0.1%. [5]

While the 1918 Pandemic was particularly devastating to communities and individuals, viral, host and environmental factors were at cause. While many modern medicines such as vaccines and drugs are now available a large pandemic could still cause >100 million deaths worldwide because of increased travel and lengthy lead times to manufacture the life saving drugs.

References