HIN1 GLOBAL UPDATE

PANDEMIC INFLUENZA (H1N1) (44): PAN AMERICAN HEALTH ORGANIZATION UPDATE
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Date: Mon 21 Jun 2010
Source: Pan American Health Organization (PAHO), Regional Update,
Pandemic (H1N1) 2009 [edited]



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 the Pan American Health
Organization (PAHO) or updates on their web pages.

Weekly Update:

- In North America, acute respiratory disease activity remained low.
- The Caribbean countries reported decreasing or unchanged trends in
acute respiratory disease.
- In Central America, Panama reported an unchanged trend in acute
respiratory disease.
- In South America, Bolivia, Colombia, and Venezuela reported
increasing trends of acute respiratory disease.
- From EW 1 to 23, 2010, El Salvador reported a predominance of
influenza type B, while Cuba, Jamaica, Mexico, and Panama reported
predominately influenza type A. Paraguay reported a predominance of
respiratory syncytial virus.
- 23 new confirmed deaths in 3 countries were reported; in total,
there have been 8450 cumulative confirmed deaths in 28 countries of the region.

I - Evolution of the pandemic

North America

In the United States (1), the traditional influenza season ended in
EW 20. In EW 23, the proportion of outpatient consultations for
influenza-like illness (ILI) continued to remain below the national
baseline, and all sub-national surveillance regions reported the
proportion of outpatient visits for ILI to be below their
region-specific baseline. The proportion of deaths attributed to
pneumonia and influenza was below the epidemic threshold. No
influenza-associated pediatric deaths were reported this week.

Caribbean

Jamaica reported widespread influenza activity; Cuba reported
regional influenza activity; and Dominica and Dominican Republic
reported no influenza activity. Cuba reported a decreasing trend in
acute respiratory disease, while the other 3 countries reported an
unchanged trend. All of these countries reported low/moderate
intensity of acute respiratory disease and low impact of acute
respiratory disease on health care services.

Central America

Panama reported no influenza activity, an unchanged trend in acute
respiratory disease, low/moderate intensity of acute respiratory
disease, and low impact of acute respiratory disease on health care services.

South America

Andean

Bolivia, Colombia, Peru, and Venezuela reported regional influenza
activity, while Ecuador reported no influenza activity. Bolivia
reported a new increasing trend in acute respiratory disease, while
Colombia and Venezuela have reported 2 and 3 consecutive weeks of
increasing trends in acute respiratory disease, respectively. Ecuador
and Peru reported unchanged trends in acute respiratory disease. All
countries reported low/moderate intensity of acute respiratory
disease and low impact of acute respiratory disease on health care services.

In Bolivia (2), nationally, the number of cases of acute respiratory
infection (ARI) remained within the endemic channel, however, in the
department of Pando, the number of ARI cases passed the epidemic
threshold in EW 23.

In Peru (3), in EW22, nationally, the number of pneumonia cases in
children under 5 years of age was below the epidemic threshold, while
in the southern department of Moquegua, it was above the threshold.

Southern Cone

Brazil and Chile reported regional influenza activity, unchanged
trends in acute respiratory disease, and low/moderate intensity of
acute respiratory disease.

In Chile (4), nationally, consultations for ILI remained low and
within the endemic channel. At the regional level, 10 regions
reported low ILI activity, one reported moderate ILI activity, one
reported high ILI activity, and 3 reported no ILI activity.

References:

1. US Surveillance Summary. Week 23. Centers for Disease Control and
Prevention.
2. Weekly notification of the situation of the pandemic of influenza
A (H1N1) - Bolivia, EW 23
3. Peru, EW 22,
4. Chile, Situation Report, 16 Jun 2010.

[The remaining sections of this document, "II - Description of
hospitalizations and deaths among confirmed cases of pandemic (H1N1)
2009," and "III - Viral circulation," contain maps, graphs and
tabulated data. Interested readers should access the original pdf
file via the URL at the top of this report. - Mod.CP]

--
Communicated by:
ProMED-mail Rapporteur Marianne Hopp

[see also:
Influenza pandemic (H1N1) (43): WHO update 105 20100619.2059
Influenza pandemic (H1N1) (42): reassortment, swine 20100618.2055
Influenza pandemic (H1N1) (41): New Zealand 20100618.2042
Influenza pandemic (H1N1) (40): WHO update 104 20100612.1970
Influenza pandemic (H1N1) (39): WHO update 103 20100605.1867
Influenza pandemic (H1N1) (38): WHO 20100603.1841
Influenza pandemic (H1N1) (37): Guillain-Barre syndrome risk 20100602.1837
Influenza pandemic (H1N1) (36): WHO update & seasonal 20100530.1798
Influenza pandemic (H1N1) (35): Singapore 20100530.1795
Influenza pandemic (H1N1) (34): Indian variants 20100525.1741
Influenza pandemic (H1N1) (33): WHO update, corr. 20100527.1765
Influenza pandemic (H1N1) (32): WHO update 20100501.1418
Influenza pandemic (H1N1) (31): UK (Scotland) D222G mut 20100422.1310
Influenza pandemic (H1N1) (30): WHO update 20100417.1250
Influenza pandemic (H1N1) (20): China, update 20100303.0702
Influenza pandemic (H1N1) (10): PAHO update 20100121.0240
Influenza pandemic (H1N1) (01): China, 2009 20100105.0040
2009
----
Influenza pandemic (H1N1) 2009 (126): PAHO, North Korea 20091209.4200
Influenza pandemic (H1N1) 2009 (108): PAHO update 20091118.3981
Influenza pandemic (H1N1) 2009 (88): PAHO update 20091104.3813]
..................................................cp/msp/dk

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