WHO:Influenza activity in the world weeks 36-39, 2004
submited by kickingbird at Oct, 17, 2004 7:59 AM from WHO
Influenza activity in the world
Influenza activity remains low in most parts of the world (weeks 36–39)
6 October 2004
Except in Canada, where an increasing influenza activity was reported, activity remained low in most parts of the world in weeks 36–39.
Reports from individual countries
Australia.Influenza activity remained low since week 36; only one localized outbreak was reported during week 37.
Canada. An increasing influenza activity was noted in eastern Ontario. Four outbreaks associated with influenza A/Fujian/411/2002(H3N2) virus were reported in long-term care facilities during weeks 36–39.
Hong Kong Special Administrative Region of China.Influenza activity remained moderate during weeks 36–39. There was an increase in the number of influenza B viruses detected, although the majority of the viruses isolated were influenza A(H3N2).
Thailand. During weeks 36–39, influenza A/H1, A/H3N2 and B viruses co-circulated at low levels.
Other reports. During weeks 36–39, low influenza activity mainly caused by A(H3N2) viruses was reported from Argentina, Chile, Japan, Madagascar, New Caledonia, Norway, Peru, Thailand and Uruguay.
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