پاورپوینت کامل Swine flu 28 اسلاید در PowerPoint

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پاورپوینت کامل Swine flu 28 اسلاید در PowerPoint

اسلاید ۴: Why is novel H1N1 virus sometimes called “swine flu” This virus was originally referred to as “swine flu” because laboratory testing showed that many of the genes in this new virus were very similar to influenza viruses that normally occur in pigs (swine) in North America.

اسلاید ۵: Why is novel H1N1 virus sometimes called “swine flu” But further study has shown that this new virus is very different from what normally circulates in North American pigs. It has two genes from flu viruses that normally circulate in pigs in Europe and Asia and bird (avian) genes and human genes. Scientists call this a quadruple reassortant virus.

اسلاید ۶: Are there human infections with novel H1N1 virus in the U.S. and the rest of the world Human infections with the new H1N1 virus are ongoing in the United States. Most people who have become ill with this new virus have recovered without requiring medical treatment. CDC( center for disease control and prevention) routinely works with states to collect, compile and analyze information about influenza, and has done the same for the new H1N1 virus since the beginning of the outbreak.

اسلاید ۷: Is novel H1N1 virus contagious Yes, CDC has determined that this new virus is contagious and is spreading from human to human.

اسلاید ۸: How does novel H1N1 virus spread Spread of novel H1N1 virus is thought to occur in the same way that seasonal flu spreads. Flu viruses are spread mainly from person to person through coughing or sneezing by people with influenza. Sometimes people may become infected by touching something – such as a surface or object – with flu viruses on it and then touching their mouth or nose.

اسلاید ۹: Case DefinitionsA confirmed case of swine influenza : a (H1N1) virus infection is defined as a person with an acute respiratory illness with laboratory confirmed swine influenza A (H1N1) virus infection at CDC by one or more of the following tests:Realtime RT-PCRViral cultureFour-fold rise in swine influenza A(H1N1) virus_specific neutralising antibodies

اسلاید ۱۰: Case DefinitionsA Suspected case of influenza A (H1N1) virus infection is defined as a person with acute febrile respiratory illness with onset with 7 days of close contact with a person who is confirmed case of swine influenza A(H1N1) virus infection.Close contact is defined as: within about 6 feet of an ill person who is confirmed or suspected case of swine influenza A(H1N1) virus infection.Close contact is defined as within about 6 feet of an ill person who is a confirmed case of swine influenza A virus infection.

اسلاید ۱۱: How does novel H1N1 flu compare to seasonal flu in terms of its severity and infection rates With seasonal flu, we know that seasons vary in terms of timing, duration and severity. Seasonal influenza can cause mild to severe illness, and at times can lead to death. Each year, in the United States, on average 36,000 people die from flu-related complications and more than 200,000 people are hospitalized from flu-related causes. Of those hospitalized, 20,000 are children younger than 5 years old. Over 90% of deaths and about 60 percent of hospitalization occur in people older than 65. When the novel H1N1 outbreak was first detected in mid-April 20began working with states to collect, compile and analyze information regarding the novel H1N1 flu outbreak, including the numbers of confirmed and probable cases and the ages of these people. The information analyzed by CDC supports the conclusion that novel H1N1 flu has caused greater disease burden in people younger than 25 years of age than older people. At this time, there are few cases and few deaths reported in people old