# 3910
It’s Friday, and so we get the weekly WHO (World Health Organization) update, along with the weekly FluView report from the CDC later in the day.
As always, the caveat that most nations are not testing for the H1N1 virus, nor are they tracking and reporting fatalities. The numbers provided by the WHO represent a serious undercount of the true impact of the pandemic.
I’ve reparagraphed the summary for readability. Follow the links to find additional charts, graphs, and information.
Pandemic (H1N1) 2009 - update 72
Weekly update
As of 25 October 2009, worldwide there have been more than 440,000 laboratory confirmed cases of pandemic influenza H1N1 2009 and over 5700 deaths reported to WHO.
As of 25 October 2009, worldwide there have been more than 440,000 laboratory confirmed cases of pandemic influenza H1N1 2009 and over 5700 deaths reported to WHO.
As many countries have stopped counting individual cases, particularly of milder illness, the case count is likely to be significantly lower than the actual number of cases that have occurred.
WHO is actively monitoring the progress of the pandemic through frequent consultations with the WHO Regional Offices and member states and through monitoring of multiple sources of data.
Situation update:
In the temperate zone of the northern hemisphere, influenza transmission continues to intensify marking an unusually early start to winter influenza season in some countries. In North America, the US, and parts of Western Canada continue to report high rates of influenza-like-illness (ILI) and numbers of pandemic H1N1 2009 virus detections; Mexico has reported more confirmed cases since September than during the springtime epidemic.
In Western Europe, high rates of ILI and proportions of respiratory specimens testing positive for pandemic H1N1 2009 have been observed in at least five countries: Iceland, Ireland, the UK (N. Ireland), Belgium, and the Netherlands. Many other countries in Europe and Western and Central Asia are showing evidence of early influenza transmission, including in Spain, Austria, parts of Northern Europe, Russia, and Turkey.
In Japan, influenza activity has also increased sharply, especially on the northern island, approximately 10 weeks ahead the usual start of the winter influenza season.
Pandemic influenza transmission remains active in many parts of the tropical zone of the Americas, most notably in several Caribbean countries.
Overall transmission continues to decline in most but not all parts of the tropical zone of South and Southeast Asia.
Little influenza activity has been reported in temperate region of the southern hemisphere since the last update.
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