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投稿者 佐藤雅彦 日時 2001 年 1 月 28 日 12:55:59:
空気伝染する“謎のウイルス”が米国に出現
●米国の病院で「ノーウォークウイルス」とおぼしき空気伝染
ウイルスのアウトブレイクが起きています。これは二日ほど
の潜伏期ののち、頭痛・嘔吐・下痢・腹痛などが突然襲来する
というウイルスですが、なにしろ空気伝染するので学校や病院
など人がたくさん集まる場所で、爆発的に感染が拡大するもの
です。日本にもすでに入ってきているかもしれませんが、ご用心
ってところでしょうな。
Airborne MysteryVirus Hits 22
Patients, 11 Nurses In
Ontario Hospital
By Bob Mitchell
Toronto Star Peel/Halton Bureau Chief
http://www.thestar.com
1-25-01
The rehabilitation ward at Mississauga's Credit Valley Hospital remains closed as hospital officials battle a highly-contagious virus.
At least 22 adult patients, recovering from surgery, heart attack and strokes, have become ill since Saturday.
Another 11 nurses have also been sickened by the virus, which hospital officials believe could be the Norwalk Virus.
''We should know within a few days what we're dealing with,'' hospital spokesperson Wendy Johnson said.
Johnson said 12 of the patients are well on their way to recovering, as are five of the nurses at the hospital located at Eglinton Ave. W. and Erin Mills Parkway.
''We've quarantined the rehabilitation unit, meaning no patients have been allowed to see family members,'' Johnson said. ''Notices have been posted at the entrance to the unit. We called all of the family members and explained what we're doing. There are 40 patients in the unit.''
Johnson said the virus, which causes a sudden onset of headache, vomitting, diarrhea and abdominal pain, is usually passed through the air.
''We don't know how it got into the unit,'' Johnson said. ''It could have been brought in my a visitor as far as we know. It could have been a staff member. It could have been a patient. But once somebody has it, it's highly-contagious. We hope by closing this unit that we've been able to contain it.''
Johnson said patients must remain symptom-free for at least 48 hours before they're considered to be non-contagious.
''You're usually sick for two days but even though you're starting to feel better after that, you're still highly-contagious for another two days,'' Johnson said.
Although the virus is generally not serious, it often causes mass outbreaks in institutional settings such as schools, hospitals and nursing homes.
In December, a ward at Toronto Western Hospital was shut down because of an outbreak of the Norwalk Virus. Nine patients and 28 staff were infected.
Dozens of students at several schools in north Toronto were also sickened by the virus in March of 2000 after parents initially thought they had been suffering from food poisoning.
Mount Sinai Hospital in Toronto had a similar outbreak in 1991 when 281 people contracted the virus, forcing the hospital to quarantine half a dozen wards and turn away ambulances.
The virus also closed the Queen's Park child care centre in 1988 when almost 100 children, parents and day-care workers became ill.
Bu
t the most serious outbreak occurred between November, 1985, and March, 1986, when Norwalk cases closed Mount Sinai Hospital, part of Wellesley Hospital, St. Joseph's Health Centre, the Clark Institute of Psychiatry and Riverdale Hospital in quick succession.
Scientists first identified the virus in 1972 after an outbreak of a gastrointestinal illness in Norwalk, Ohio. Cases occur year-round but spread most commonly during the winter through contaminated food or water and person-to-person contact.
Copyright 1996-2001. Toronto Star Newspapers Limited. All rights reserved.
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題名には必ず「阿修羅さんへ」と記述してください。