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HPA National Influenza Report
Latest Influenza report and graphs
Added/ Updated : 11 November 2010
http://www.hpa.org.uk/Topics/InfectiousDiseases/InfectionsAZ/SeasonalInfluenza/EpidemiologicalData/02influsweeklyreport/
上記の電網冊子(WEB SIGHT)を写して、検索しても出て来ないかもしれないので、HEALTH PROTECTION AGENCYのホームページから、前文の手順に従って、手づるで、HPA NATIONAL INFLUENZA REPORTにたどり着いてください。
2010年11月15日月曜日 19:42(JST: 03:42)曇り 最低気温;13ºC 最高気温;19ºC BARCELONA県から
HPA NATIONAL INFLUENZA REPORT
2010年11月11日発表
イギリスの2010年第44週11月01日ー11月07日のENGLANDの風邪症状による医師への診察率は、8'0/100'000人で、先週は8'8で、安定 しており、ENGLANDの北部では、5'2ー8'3/100'
アイルランド北部では、風邪(インフルエンザ)や、
スコットランドの風邪症状による診察率は、先週の30'6から 、39'4件/100'000人に増加した。
ウエイルズでは、風邪症状の診察率は、5'9件から 10'8件/100'000人に増加した。最も高かったのは、
第44週11/01ー11/07のENGLANDでは、見張り番医師監視体制によると、7件のインフルエンザ陽性反応が出て、そのうち、4件は 新型インフルエンザ[A(H1N1) 2009 ]で、3件はインフルエンザB型だった。NORTHERN IRELANDでは、1件の新型インフルエンザヴィールスが報告されている。
RESPIRATORY SYNCYTIAL VIRUS(RSV)の検出は、低く、RHINOVIRUSの検出は減少してきている。
ENGLANDでは、44週までに、65歳以上で、2010/2011インフルエンザの予防注射を受けた人は、53'7%で、65歳以下で、感染重傷化危険対象者の予防注射りつは 、29'6%だった。
International Situation
WHO influenza update 8 November 2010Worldwide, overall influenza activity remained low, except in parts of the tropics, most notably in Southeast Asia, and to a lesser extent in the tropical areas of the Americas. After late winter and springtime influenza epidemics in several countries of the temperate southern hemisphere, influenza activity has returned to near or below baseline in most places. Notably, however, a recent post-season rise in cases has been noted across parts of southern Africa associated with localized outbreaks of influenza H1N1 (2009) virus. Seasonal influenza A(H3N2) viruses continued to be the predominant circulating type or subtype of influenza viruses worldwide, however, in addition, in many countries there has been co-circulation of seasonal influenza B viruses and to a lesser extent, influenza H1N1 (2009) viruses. The latter has been recently predominant in a limited number of countries, including in India.
Temperate zone of the Southern Hemisphere: In Chile, Paraguay and Uruguay activity appears to have largely subsided. In Argentina little winter and springtime influenza activity was observed during 2010, with influenza B viruses accounting for the majority of sporadic influenza virus detections. In South Africa, the 2010 winter influenza season had largely concluded by the end of September 2010 but was followed by a mild resurgence of influenza activity during October 2010. In neighbouring Namibia, there have been reports of school and community outbreaks of influenza H1N1 (2009) during October 2010. As of early to mid-October 2010, influenza activity had declined substantially or had fallen below seasonal baselines in Australia and New Zealand, respectively.
Tropical zone: In the tropics of Asia, the most active reported circulation of influenza viruses continued to be in Thailand. Since late July 2010, influenza H1N1 (2009) viruses have been the predominant circulating influenza viruses in Thailand, however, more recently beginning in early October 2010, seasonal influenza A(H3N2), B, and H1N1 (2009) viruses began to co-circulate at similar levels. In southern China and Hong Kong (SAR), recent periods of active circulation of seasonal influenza A(H3N2) viruses during late summer and autumn now appear to have largely subsided. In India, the national epidemic has largely subsided but small numbers of new cases continued to be reported weekly. In neighbouring Bangladesh, there has been persistent influenza virus transmission since the early part of 2010, however, only in recent months has circulation of seasonal influenza A(H3N2) become predominant.
In most countries of the tropics of the Americas, overall influenza virus transmission has declined substantially or returned to very low levels. Limited data from the tropical areas of sub-Saharan Africa suggest that overall influenza activity has remained low. Since late spring and late summer, there has been persistent low levels of circulation of seasonal influenza A(H3N2) viruses in Kenya and Madagascar, respectively. Since late September 2010, Cameroon, in central Africa, has begun to detect significant level of seasonal influenza A(H3N2) viruses. In contrast, little influenza activity has been reported in West Africa during recent months.
Temperate zone of the Northern Hemisphere: In Canada and the United States, rates of ILI have increased slightly, but remain at or below seasonal baselines; small numbers of seasonal influenza A(H3N2) and B viruses have been detected during the past month. Most countries in the European Region continued to report low overall levels of ILI activity, with sporadic detections of influenza A(H3N2), H1N1 (2009) and influenza B viruses. Overall influenza activity remains sporadic in Northern China, Japan, and South Korea.
Virological surveillance: The WHO Global Influenza Surveillance Network is constantly monitoring the evolution of influenza viruses. Like other influenza viruses, the influenza H1N1 (2009) viruses have being undergoing genetic evolution. Since their emergence, variants having substitutions at residues 125/142, 222 and/or 374/391 in the haemagglutinin gene have been detected. Recently other genetic mutations have also been reported. However, antigenic characterization to date has shown that all these viruses are not antigenically distinguishable from the vaccine virus A/California/7/2009.
Avian influenza: Since 2003 a total of 507 human cases of H5N1 avian influenza have been reported to WHO from 15 countries. Of this 507, 302 (60%) have reportedly died (20 of 39, 51% in 2010). There have been no further cases reported since the last update. For further information, see the WHO website.
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