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<<   作成日時 : 2009/10/24 20:27   >>

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 CDC最新ブリーフィング(2009/10/20)
 2009H1N1virus 2009/09/01-10/10 での入院と死亡数データ。
画像 27州からの9/1以降の診断確定数は、わずか40日間で入院4,958人、25才未満が53%、25-64才が39%、65才以上はわずか7%であり、季節性インフルエンザでは65才以上の入院が60%であるのと際だった違いがある。
 28州からの9/1以降の診断確定死亡数は292人、25才以下が23.6%、25-64才が65%、65才以上は11.6%であり、季節性インフルエンザでは65才以上の死亡が90%を占めるのに比べて劇的な違いがある。
 妊娠、喘息、糖尿病、2才以下の子どもや、症状が重い場合は確定診断を待たずに早期に抗ウイルス薬による治療を行うべきである。迅速検査は不正確なのでインフルエンザを疑ったら早期治療をすることが重要である。(10/24 のブリーフィングによると:妊婦の死亡率は一般の6倍)
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新型インフルエンザ 入院患者の半数は持病なし/米国最新調査 CDC
http://kurie.at.webry.info/200910/article_19.html
新型インフルエンザ 子どもの死亡が急増/米国 H1N1ブタインフルエンザ CDC
http://kurie.at.webry.info/200910/article_12.html
迅速検査陰性でも治療薬投与を/新型インフルエンザ検査
http://kurie.at.webry.info/200909/article_29.html
インフルエンザ早期治療の徹底を推奨 小児科学会 /新型インフルエンザ 肺炎
http://kurie.at.webry.info/200909/article_32.html
ブタインフルエンザによる妊婦のリスク/新型インフルエンザ CDC
http://kurie.at.webry.info/200907/article_40.html
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Weekly 2009 H1N1 Flu Media Briefing
October 20, 2009, 12:00 p.m.
http://www.cdc.gov/media/transcripts/2009/t091020.htm

Anne Schuchat: Hello, everyone here and on the phone. Today, what I want to do is give a little snapshot of what's going on with disease and update on any viral as well as about the seasonal flu vaccine and H1N1 vaccine program. We are continuing to see widespread illness around the country, and, of course, gave a fairly detailed update on Friday based on our Fluview data which is at our website. And what I wanted to do today is provide a little bit more detail about what we've been seeing this fall from September 1st to October 10th. We have instituted a slightly different kind of reporting system where states provide aggregate reports of laboratory-confirmed hospitalizations and laboratory-confirmed deaths. These are not complete reporting. We don't have reporting from every single state. And signing it can be helpful in illustrating some of the patterns that we're seeing. So what I want to talk about today is the age of people who are hospitalized or dying from the 2009 H1N1 virus this fall from September 1st through October 10th. We have data now from 27 states that are reporting hospitalization information on lab-confirmed cases. This is a set of about 4,958 hospitalizations that we've seen in those states just since September 1st. More than half of the hospitalizations are owe occurring in young people under the age of 25. We are seeing 53% in people under 25 years of age. 39% of hospitalizations are in people 25 to 64 years of age. And only 7% of hospitalizations are occurring in the elderly. This is really, really different from what we see with seasonal flu. With seasonal flu, about 60% of hospitalizations occur in people 65 and over. And here, we're only seeing about 7% of hospitalizations in that age group. Just illustrating that this H1N1 virus is disproportionately affected the young, and of course, that's one of the reason that they've been a target population for the vaccination effort. I want to also mention the deaths that we're seeing in the states that are reporting laboratory-confirmed deaths. Again, these are just since September 1st so they don't include everything that happened before that. Again these are underestimates. We have 28 states that are reporting laboratory-confirmed deaths. And what I have is information on 292 deaths. That number is not important, but it's the proportions that I'm going to describe which are quarter. Almost a quarter of deaths are occurring in young people under the age of 25. Specifically, 23.6% of the deaths are in that age group. About 65% of the deaths are in people 25 to 64 years of age. And just 11.6% or 12% of the deaths from H1N1 since September 1st are occurring in seniors 65 and up. Again, this is dramatically different than what we see with seasonal flu. With seasonal flu 90% of fatalities occur in people 65 and over. Nearly 60% of fatalities are occurring under thing age of 65. Fortunately, seniors seem to be spared and now we think we understand a bit about the immunology of that and our statistics supporting that. I want to move on and talk about antivirals. Yesterday, we issued health advice for providers in treating people with suspected flu, H1N1 or the seasonal flu strains. We really want to stress how important early treatment with antivirals is in people who are high-risk or people with severe presentations. In such patients, we don't want Docs to wait for the lab confirmations. The time it will take to get the lab tests back shouldn't be waited for. If you have a person who is severely ill or a person with risk factors like pregnancy, asthma, diabetes, children under 2, and you suspect flu, we recommend any viral medicines be given promptly. It's important for people to know if you get a rapid test result and it's negative, it says no flu, you can't really rely on that. The accuracy of the rapid tests when they show up a negative is not that good. So if you suspect flu, very important to provide those antiviral medicines quickly. We think that's really important for patients and including for pregnant women. We know often doctors and pregnant women are reluctant. If you do suspect flu, don't believe a negative rapid test, we think if you're suspecting flu, you ought to treat. Now, we've talked in previous press conferences about the supply of antiviral medicines.

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