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22 Dec 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

Weekly Summary

- In North America, acute respiratory disease activity continued to decrease and is lower than expected in some areas

- In the Caribbean, all countries reported unchanged and decreasing trends in acute respiratory disease, except Barbados, which reported an increasing trend

- Central America reported decreasing or unchanged …

14 Dec 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

Weekly Summary

- In North America, acute respiratory disease activity continued to decrease and is lower than expected in some areas

- In the Caribbean, unchanged and decreasing trends in acute respiratory disease were reported

- Central America reported decreasing or unchanged trends in acute respiratory disease

- South America …

23 Nov 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

Weekly Summary

- Respiratory illness activity remained above what is expected for this time of year in Canada, Mexico, and the United States; in the United States, the proportion of deaths attributed to pneumonia and influenza remained above the epidemic threshold

- The United States is investigating a possible cluster of four …

16 Nov 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

In Canada, the national influenza-like illness (ILI) consultation rate slightly decreased compared to last week but remained above average for the sixth consecutive week. The number of influenza outbreaks remained high and these outbreaks were mostly reported in the school setting.

09 Nov 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

Widespread influenza activity and increased trends in acute respiratory disease continued this week.

In Canada, the national influenza-like illness (ILI) consultation rate increased again relative to the last week and remained above average for the fifth consecutive week.

03 Nov 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

Widespread influenza activity and increased trends in acute respiratory disease continued this week.

In Canada, the national influenza-like illness (ILI) consultation rate increased again relative to the last week and remained above average for the fourth consecutive week.

26 Oct 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

In Canada and the United States, spread of influenza continues to be widespread and trends of acute respiratory disease continue to increase.

In the United States, in EW 41, outpatient influenza-like-illness (ILI) activity continued to increase, remaining above the national baseline for the eighth …

16 Oct 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

In Canada, Mexico, and the United States, trends in acute respiratory disease continued to increase and the intensity of such diseases remained high this week.

09 Oct 2009 description

The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

I- Evolution of the pandemic

North America

Regarding WHO qualitative indicators (See Annex 1) for monitoring of the pandemic, the three countries in North America report widespread geographic spread. There was an increasing trend of respiratory disease in Canada and Mexico, while decreasing in the Unites States.

25 Sep 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at http://www.who.int/csr/disease/swineflu/notes/h1n1_surveillance_20090710/en/index.html

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

18 Sep 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at http://www.who.int/csr/disease/swineflu/notes/h1n1_surveillance_20090710/en/index.html

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

11 Sep 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at: http://www.who.int/csr/disease/swineflu/notes/%20h1n1_surveillance_20090710/en/index.html

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

04 Sep 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at: http://www.who.int/csr/disease/swineflu/notes/%20h1n1_surveillance_20090710/en/index.html

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

21 Aug 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at: (http://www.who.int/csr/disease/swineflu/notes/%20h1n1_surveillance_20090710/en/index.html)

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

14 Aug 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1) 2009 virus: updated interim WHO guidance on global surveillance available at: (http://www.who.int/csr/disease/swineflu/notes/h1n1_surveillance_20090710/en/index.html).

The information presented herein has been obtained through the official sites of the Ministries of Health of the …

07 Aug 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at this link.

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

03 Aug 2009 description

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1)2009 virus: updated interim WHO guidance on global surveillance available at http://www.who.int/csr/disease/swineflu/notes/%20h1n1_surveillance_20090710/en/index.html.

The qualitative indicators for surveillance of the Pandemic (H1N1) 2009 are described in Table 3 of this report.

22 Jul 2009 description

The data and information in this report will be updated on a weekly basis and available at:http://new.paho.org/hq/index.php?option=com_content&task=blogcategory&id=814&Itemid=1206

This report was prepared based on the indicators in the document Human infection with pandemic (H1N1) 2009 virus: updated interim WHO guidance on …

16 Jul 2009 description

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