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資料3-2 鈴木先生提出資料 (79 ページ)

公開元URL https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000121431_00395.html
出典情報 新型コロナウイルス感染症対策アドバイザリーボード (第109回 12/7)《厚生労働省》
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In the countries of North America, influenza positivity
and ILI activity increased steeply in recent weeks,
indicating an earlier start of the influenza season in
comparison with pre- COVID-19-pandemic seasons.
In Canada, ILI activity increased well above the prepandemic seasonal average for this time of year.
Influenza percent positivity was above the seasonal
threshold for several weeks, indicating the start of the
seasonal epidemic, and was also well above the prepandemic seasonal average for this time of year.
Influenza-associated hospitalizations increased
sharply, and paediatric hospitalizations were at levels
typical of the peak of epidemic activity. In the U.S., ILI
continued to increase well above levels observed for
this time of the year during the past five seasons, with
increases observed in all age-groups and across the
country. Cumulative influenza hospitalizations to date
were greater compared to the same data for past
seasons since 2010-11. The percentage of deaths
attributed to pneumonia, influenza or COVID-19 in the
USA remained above the epidemic threshold
established from historical data, with the majority of
recent mortality attributed to COVID-19. In both
countries, several respiratory viruses were coIn Europe, overall influenza activity continued on an increasing trend, with influenza positivity from all circulating. Influenza A viruses predominated and
A(H3N2) viruses accounted for the majority of
sentinel sites reported above epidemic threshold. Influenza A(H3N2) predominated among the
subtyped influenza A viruses, but with a slightly
subtyped influenza A viruses, with some detections of A(H1N1)pdm09 and B viruses. Activity was
increased proportion of influenza A(H1N1)pdm09
reported above the epidemic threshold in Georgia, Germany, Portugal and the United Kingdom of
viruses detected in the USA. RSV activity increased
Great Britain and Northern Ireland (Scotland). Germany and Portugal reported widespread activity.
further in both countries and remained above average
Malta continued to report high-intensity activity with local spread. Rising cases of RSV infections were levels for this time of year in Canada.

reported from several countries in the region. Pooled all-cause mortality estimates from the
EuroMomo network continued to show increased excess mortality across some age-groups.

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