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Taiwan --Week 34, 2010 (1 new death; 49 deaths since July 2009)

Re: Taiwan --Week 17 (41 deaths since July)

Re: Taiwan --Week 17 (41 deaths since July)

Week 17:

During week 17 (April 25–May 1, 2010), influenza activity increased in Taiwan, no significant difference compared with the same period of last year.

Of the 378 specimens tested during week 15–17, 70 (19%) were positive for influenza viruses, 7 (2%) were positive for pandemic (H1N1) 2009 viruses and 63 (17%) were positive for seasonal influenza B viruses; 100% (95% confidence interval 59%–100%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There was 1 new complicated pandemic (H1N1) 2009 influenza case during week 17.

The number of deaths mentioning pneumonia and influenza during week 16 was 236, which was below the number for this time of last year (258 deaths).

The rate of outpatient visits for influenza-like illness is 1.17% and has increased by 2% compared with the previous week (1.15%).
The rate of emergency room visits for influenza-like illness is 12.89% and has increased by 5% compared with the previous week (12.22%).
http://flu.cdc.gov.tw/public/Data/05410254871.pdf

The Average Morbidity of Disease Reported by Sentinel Schools in Taiwan:
http://www.cdc.gov.tw/public/Attachment/0549114971.pdf

Lab Surveillance:
http://www.cdc.gov.tw/lp.asp?ctNode=948&CtUnit=362&BaseDSD=7&mp=5
 
Re: Taiwan --Week 18 (42 deaths since July)

Re: Taiwan --Week 18 (42 deaths since July)

Week 18:

One new death reported; total 42

During week 18 (May 2–8, 2010), influenza activity increased in Taiwan, and seasonal influenza virus type B is predominant in community.

Of the 439 specimens tested during week 16–18, 86 (20%) were positive for influenza viruses, 4 (1%) were positive for pandemic (H1N1) 2009 viruses and 82 (19%) were positive for seasonal influenza B viruses; 100% (95% confidence interval 40%–100%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 923 reports of complicated pandemic (H1N1) 2009 virus infections (42 deaths). There were 5 new complicated pandemic (H1N1) 2009 influenza cases and 5 new seasonal influenza virus type B cases during week 18.

The number of deaths mentioning pneumonia and influenza during week 17 was 203, which was slightly above the number for this time of last year (201 deaths).

The rate of outpatient visits for influenza-like illness is 1.17% and has no change compared with the previous week (1.17%).

The rate of emergency room visits for influenza-like illness is 13.31% and has increased by 3% compared with the previous week (12.89%).
http://flu.cdc.gov.tw/public/Data/051113503971.pdf

"...since April, 2010, 10 confirmed influenza outbreaks (8 influenza B outbreaks and 2 pandemic A/H1N1 outbreaks), which occurred mainly in schools, have been reported..."
http://www.cdc.gov.tw/ct.asp?xItem=28751&ctNode=960&mp=5
 
Re: Taiwan --Week 20 (42 deaths since July)

Re: Taiwan --Week 20 (42 deaths since July)

Week 20:

During week 20 (May 16?22, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 508 specimens tested during week 18?20, 127 (25%) were positive for influenza viruses, 9 (2%) were positive for pandemic (H1N1) 2009 viruses, 2 (<1%) were positive for influenza A (H3N2) viruses, 1 (<1%) was positive for untyped influenza A virus and 115 (23%) were positive for seasonal influenza B viruses; 82% (95% confidence interval 48%?98%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

1 new seasonal influenza virus type AH3 case and 12 new seasonal influenza virus type B cases during week 20.

The number of deaths mentioning pneumonia and influenza during week 19 was 232, which was equal to the number for this time of last year (232 deaths).

The rate of outpatient visits for influenza-like illness is 1.15% and has decreased by 6% compared with the previous week (1.22%).
The rate of emergency room visits for influenza-like illness is 12.96% and has decreased by 4% compared with the previous week (13.51%).
http://flu.cdc.gov.tw/public/Data/052514442871.pdf

Laboratory Surveillance (May 27, 2010)
http://www.cdc.gov.tw/public/Data/052716475871.pdf
 
Re: Taiwan --Week 21 (42 deaths since July)

Re: Taiwan --Week 21 (42 deaths since July)

During week 21 (May 23?29, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 547 specimens tested during week 19?21, 136 (25%) were positive for influenza viruses, 11 (2%) were positive for pandemic (H1N1) 2009 viruses, 1 (<1%) was positive for influenza A (H3N2) virus, and 124 (23%) were positive for seasonal influenza B viruses; 92% (95% confidence interval 62%?100%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There were 1 new seasonal influenza virus type AH3 case, 1 new untyped influenza A virus case and 9 new seasonal influenza virus type B cases during week 21.

The number of deaths mentioning pneumonia and influenza during week 20 was 190, which was below the number for this time of last year (196 deaths).

The rate of outpatient visits for influenza-like illness is 1.13%(last updated on May 26)and has decreased by 2% compared with the previous week (1.15%).

The rate of emergency room visits for influenza-like illness is 12.47% and has decreased by 4% compared with the previous week (12.96%).
http://flu.cdc.gov.tw/public/Data/0611613171.pdf
 
Re: Taiwan --Week 22 (42 deaths since July)

Re: Taiwan --Week 22 (42 deaths since July)

During week 22 (May 30?June 5, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 507 specimens tested during week 20?22, 119 (23%) were positive for influenza viruses, 4 (1%) were positive for pandemic (H1N1) 2009 viruses, 2 (<1%) was positive for influenza A (H3N2) virus, and 113 (22%) were positive for seasonal influenza B viruses; 67% (95% confidence interval 22%?96%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There were 1 new complicated pandemic (H1N1) 2009 influenza case, 2 new seasonal influenza virus type AH3 cases and 7 new seasonal influenza virus type B cases during week 22.

The number of deaths mentioning pneumonia and influenza during week 21 was 215, which was above the number for this time of last year (191 deaths).

The rate of outpatient visits for influenza-like illness is 1.11%(last updated on Jun 2)and has decreased by 2% compared with the previous week (1.13%).

The rate of emergency room visits for influenza-like illness is 12.15% and has decreased by 3% compared with the previous week (12.47%).
http://flu.cdc.gov.tw/public/Data/0681717871.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 23 (42 deaths since July)

Re: Taiwan --Week 23 (42 deaths since July)

During week 23 (June 6?12, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 444 specimens tested during week 21?23, 104(23%) were positive for influenza viruses, 4 (1%) were positive for pandemic (H1N1) 2009 viruses, 3 (<1%) was positive for influenza A (H3N2) virus, and 97 (22%) were positive for seasonal influenza B viruses; 57% (95% confidence interval 18%?90%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There were 1 new complicated pandemic (H1N1) 2009 influenza case and 13 new seasonal influenza virus type B cases during week 23.

The number of deaths mentioning pneumonia and influenza during week 22 was 218, which was equal to the number for this time of last year (217 deaths).

The rate of outpatient visits for influenza-like illness is 1.09% and has decreased by 2% compared with the previous week (1.11%).

The rate of emergency room visits for influenza-like illness is 12.19% and has no significant change compared with the previous week (12.15%).
http://flu.cdc.gov.tw/public/Data/06151605471.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 24 (42 deaths since July)

Re: Taiwan --Week 24 (42 deaths since July)

Summary
During week 24 (June 13?19, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 431 specimens tested during week 22?24, 97 (23%) were positive for influenza viruses, 6 (1%) were positive for pandemic (H1N1) 2009 viruses, 2 (1%) were positive for influenza A (H3N2) virus, and 89 (21%) were positive for seasonal influenza B viruses; 75% (95% confidence interval 35%?97%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 1274 reports of complicated influenza virus infections, including 930 reports of complicated pandemic (H1N1) 2009 virus infections (43 deaths). There were 2 new complicated pandemic (H1N1) 2009 influenza cases, 3 new seasonal influenza virus type AH3 cases and 3 new seasonal influenza virus type B cases during week 24.

The number of deaths mentioning pneumonia and influenza during week 23 was 201, which was below the number for this time of last year (237 deaths).

The rate of outpatient visits for influenza-like illness is 1.10% and has no significant change compared with the previous week (1.09%).

The rate of emergency room visits for influenza-like illness is 12.00% and has decreased by 2% compared with the previous week (12.19%).
http://flu.cdc.gov.tw/public/Data/062214274371.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 25 (43 deaths since July)

Re: Taiwan --Week 25 (43 deaths since July)

Week 25:

Summary
During week 25 (June 20?26, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community.

Of the 443 specimens tested during week 23?25, 87 (20%) were positive for influenza viruses, 6 (1%) were positive for pandemic (H1N1) 2009 viruses, 1 (<1%) was positive for influenza A (H3N2) virus, and 80 (19%) were positive for seasonal influenza B viruses; 86% (95% confidence interval 42%?100%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 1288 reports of complicated influenza virus infections, including 933 reports of complicated pandemic (H1N1) 2009 virus infections (43 deaths). There were 3 new complicated pandemic (H1N1) 2009 influenza cases, 3 new seasonal influenza virus type AH3 cases and 8 new seasonal influenza virus type B cases during week 25.

The number of deaths mentioning pneumonia and influenza during week 24 was 247, which was above the number for this time of last year (239 deaths).

The rate of outpatient visits for influenza-like illness is 1.05% and has decreased by 5% compared with the previous week (1.10%).

The rate of emergency room visits for influenza-like illness is 11.82% and has decreased by 2% compared with the previous week (12.00%).
http://flu.cdc.gov.tw/public/Data/062914483471.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 26 (43 deaths since July 2009)

Re: Taiwan --Week 26 (43 deaths since July 2009)

During week 26 (June 27?July 3, 2010), influenza activity decreased in Taiwan, and seasonal influenza virus type B is still predominant in community. However, seasonal influenza virus type AH3 is increasing in the past few weeks.

Of the 483 specimens tested during week 24?26, 106 (22%) were positive for influenza viruses, 6 (1%) were positive for pandemic (H1N1) 2009 viruses, 10 (2%) were positive for influenza A (H3N2) virus, and 90 (19%) were positive for seasonal influenza B viruses; 38% (95% confidence interval 15%?65%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There were 5 new complicated pandemic (H1N1) 2009 influenza cases and 19 new seasonal influenza virus type AH3 cases during week 26.

The number of deaths mentioning pneumonia and influenza during week 25 was 220, which was below the number for this time of last year (242 deaths).

The rate of outpatient visits for influenza-like illness is 1.00% and has decreased by 5% compared with the previous week (1.05%).

The rate of emergency room visits for influenza-like illness is 11.78% and has no noticeable change compared with the previous week (11.82%).
http://flu.cdc.gov.tw/public/Data/0761681471.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
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Re: Taiwan --Week 27 (43 deaths since July 2009)

Re: Taiwan --Week 27 (43 deaths since July 2009)

During week 27 (July 4?July 10, 2010), influenza activity unchanged in Taiwan, and seasonal influenza virus type B is still predominant in community. However, seasonal influenza virus type AH3 is increasing in the past few weeks.

Of the 487specimens tested during week 25?27, 125(26%) were positive for influenza viruses, 15 (3%) were positive for pandemic (H1N1) 2009 viruses, 14 (3%) were positive for influenza A (H3N2) virus, and 96 (20%) were positive for seasonal influenza B viruses; 52% (95% confidence interval 33%?71%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

There were 2 new complicated pandemic (H1N1) 2009 influenza cases, 18 new seasonal influenza virus type AH3 cases, 1 new seasonal influenza virus unsubtyped A case, and 2 new seasonal influenza virus type B cases during week 27.

The number of deaths mentioning pneumonia and influenza during week 26 was 239, which was above the number for this time of last year (205 deaths).

The rate of outpatient visits for influenza-like illness is 1.03% and has increased by 3% compared with the previous week (1.00%).

The rate of emergency room visits for influenza-like illness is 11.78%; previous week (11.53%).

None of the influenza seasonal A (H1) viruses tested was related to the influenza A (H1N1) component of the 2009?10 influenza vaccine (A/Brisbane/59/2007). Three (13%) of the influenza A (H3N2) viruses tested were related to the A (H3N2) vaccine component (A/Brisban/10/2007). Forty-seven(82%) of the influenza B viruses tested belonged to the B/Victoria lineage and were related to the B component of the 2009?10 influenza vaccine(B/Brisbane/60/2008). All(100%)of the pandemic (H1N1) 2009 viruses tested were related to the A/California/07/2009 vaccine component.
http://flu.cdc.gov.tw/public/Data/0714910171.pdf
 
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Re: Taiwan --Week 28 (43 deaths since July 2009)

Re: Taiwan --Week 28 (43 deaths since July 2009)

During week 28 (July 11–17, 2010), influenza activity unchanged in Taiwan, and seasonal influenza virus type B is still predominant in community. However, seasonal influenza virus type AH3 is increasing in the past few weeks.

Of the 482 specimens tested during week 26–28, 104 (22%) were positive for influenza viruses, 19 (4%) were positive for pandemic (H1N1) 2009 viruses, 22 (5%) were positive for influenza A (H3N2) virus, 1 (<1%) was positive for untyped influenza A virus and 62 (13%) were positive for seasonal influenza B viruses; 46% (95% confidence interval 31%–63%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 1355 reports of complicated influenza virus infections, including 943 reports of complicated pandemic (H1N1) 2009 virus infections (43 deaths). There were 3 new complicated pandemic (H1N1) 2009 influenza cases, 13 new seasonal influenza virus type AH3 cases, 2 new seasonal influenza virus untyped A cases, and 2 new seasonal influenza virus type B cases during week 28.

The number of deaths mentioning pneumonia and influenza during week 27 was 261, which was above the number for this time of last year (211 deaths).

The rate of outpatient visits for influenza-like illness is 1.03% and has no change compared with the previous week (1.03%).

The rate of emergency room visits for influenza-like illness is 11.47% and has no noticeable change compared with the previous week (11.53%).
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 29 (45 deaths since July 2009)

Re: Taiwan --Week 29 (45 deaths since July 2009)

During week 29 (July 18?24, 2010), influenza activity unchanged in Taiwan, and seasonal influenza virus type B is still predominant in community. However, seasonal influenza virus type AH3 is increasing in the past few weeks.

Of the 525 specimens tested during week 27?29, 94 (18%) were positive for influenza viruses, 14 (3%) were positive for pandemic (H1N1) 2009 viruses, 22 (4%) were positive for influenza A (H3N2) virus and 58 (11%) were positive for seasonal influenza B viruses; 39% (95% confidence interval 23%?57%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 1382 reports of complicated influenza virus infections, including 947 reports of complicated pandemic (H1N1) 2009 virus infections (45 deaths). There were 4 new complicated pandemic (H1N1) 2009 influenza cases, 15 new seasonal influenza virus type AH3 cases, 6 new seasonal influenza virus untyped A cases, and 2 new seasonal influenza virus type B cases during week 29.

The number of deaths mentioning pneumonia and influenza during week 28 was 220, which was above the number for this time of last year (193 deaths).

The rate of outpatient visits for influenza-like illness is 1.04% and has no noticeable change compared with the previous week (1.03%).

The rate of emergency room visits for influenza-like illness is 11.55% and has no noticeable change compared with the previous week (11.47%).
http://flu.cdc.gov.tw/public/Data/072811505671.pdf
 
Re: Taiwan --Week 30 (1 new death, 46 deaths since July 2009)

Re: Taiwan --Week 30 (1 new death, 46 deaths since July 2009)

During week 30 (July 25?31, 2010), influenza activity increased in Taiwan, and seasonal influenza virus type B is still predominant in community. However, seasonal influenza virus type AH3 is increasing remarkably in the past few weeks.

Of the 577 specimens tested during week 28?30, 98 (17%) were positive for influenza viruses, 20 (4%) were positive for pandemic (H1N1) 2009 viruses, 36 (6%) were positive for influenza A (H3N2) virus and 42 (7%) were positive for seasonal influenza B viruses; 36% (95% confidence interval 23%?50%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2009, there has been 1418 reports of complicated influenza virus infections, including 954 reports of complicated pandemic (H1N1) 2009 virus infections (46 deaths).

There were 7 new complicated pandemic (H1N1) 2009 influenza cases, 22 new seasonal influenza virus type AH3 cases, and 8 new seasonal influenza virus untyped A cases during week 30.

The number of deaths mentioning pneumonia and influenza during week 29 was 241, which was above the number for this time of last year[/B] (220 deaths).

The rate of outpatient visits for influenza-like illness is 1.12% and has increased by 8% compared with the previous week (1.04%).

The rate of emergency room visits for influenza-like illness is 11.44% and has decreased by 1% compared with the previous week (11.55%).
http://flu.cdc.gov.tw/lp.asp?ctNode=1349&CtUnit=431&BaseDSD=7&mp=151
 
Re: Taiwan --Week 31 (1 new death, 47 deaths since July 2009)

Re: Taiwan --Week 31 (1 new death, 47 deaths since July 2009)

During week 31 (Aug 1–7, 2010), influenza activity increased in Taiwan, and seasonal influenza virus type AH3 is predominant in community.

Of the 476 specimens tested during week 29–31, 99 (21%) were positive for influenza viruses, 23 (5%) were positive for pandemic (H1N1) 2009 viruses, 48 (10%) were positive for influenza A (H3N2) virus and 28 (6%) were positive for seasonal influenza B viruses; 32% (95% confidence interval 22%–45%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2010, there has been 159 reports of complicated influenza virus infections, including 109 reports of seasonal influenza virus type AH3 infections and 22 reports of complicated pandemic (H1N1) 2009 virus infections. There were 7 new complicated pandemic (H1N1) 2009 influenza cases, 33 new seasonal influenza virus type AH3 cases, 11 new seasonal influenza virus untyped A cases, and 2 new seasonal influenza virus type B cases during week 31. Since July 1, 2009, there has been 961 reports of complicated pandemic (H1N1) 2009 virus infections (47 deaths).

The number of deaths mentioning pneumonia and influenza during week 30 was 242, which was above the number for this time of last year (224 deaths).

The rate of outpatient visits for influenza-like illness is 1.16% and has increased by 4% compared with the previous week (1.12%).

The rate of emergency room visits for influenza-like illness is 11.88% and has increased by 4% compared with the previous week (11.44%).
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 32, 2010 (47 deaths since July 2009)

Re: Taiwan --Week 32, 2010 (47 deaths since July 2009)

During week 32 (August 8–14, 2010), influenza activity increased in Taiwan, and seasonal influenza virus type AH3 is predominant in community.

Of the 514 specimens tested during week 30–32, 120 (23%) were positive for influenza viruses, 33 (6%) were positive for pandemic (H1N1) 2009 viruses, 53 (10%) were positive for influenza A (H3N2) virus and 34 (7%) were positive for seasonal influenza B viruses; 38% (95% confidence interval 28%–49%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2010, there has been 208 reports of complicated influenza virus infections,
including 154 reports of seasonal influenza virus type AH3 infections and 28 reports of complicated pandemic (H1N1) 2009 virus infections. There were 6 new complicated pandemic (H1N1) 2009 influenza cases, 31 new seasonal influenza virus type AH3 cases, 11 new seasonal influenza virus untyped A cases, and 1 new seasonal influenza virus type B case during week 32. Since July 1, 2009, there has been 967 reports of complicated pandemic (H1N1) 2009 virus infections (47 deaths).

The number of deaths mentioning pneumonia and influenza during week 31 was 244, which was above the number for this time of last year (228 deaths).

The rate of outpatient visits for influenza-like illness is 1.22% and has increased by 5% compared with the previous week (1.16%).

The rate of emergency room visits for influenza-like illness is 12.32% and has increased by 4% compared with the previous week (11.88%)...

Taiwan CDC has antigenically characterized 7 human influenza B viruses since July 1, 2010. Six(86%)of them tested belonged to the B/Victoria lineage and were related to the B component of the 2010–11 influenza vaccine(B/Brisbane/60/2008).
http://flu.cdc.gov.tw/public/Data/08171783671.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 33, 2010 (1 new death; 48 deaths since July 2009)

Re: Taiwan --Week 33, 2010 (1 new death; 48 deaths since July 2009)

During week 33 (August 15?21, 2010), influenza activity remained unchanged in Taiwan, and seasonal influenza virus type AH3 is predominant in the community.

Of the 595 specimens tested during week 31?33, 115 (19%) were positive for influenza viruses, 26 (4%) were positive for pandemic (H1N1) 2009 viruses, 65 (11%) were positive for influenza A (H3N2) virus and 24 (4%) were positive for seasonal influenza B viruses; 29% (95% confidence interval 20%?39%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2010, there have been 271 reports of complicated influenza virus infections, including 197 reports of seasonal influenza virus type AH3 infections and 33 reports of complicated pandemic (H1N1) 2009 virus infections. There were 6 new complicated pandemic (H1N1) 2009 influenza cases, 35 new seasonal influenza virus type AH3 cases, 21 new seasonal influenza virus untyped A cases, and 1 new seasonal influenza virus type B case during week 33. Since July 1, 2009, there have been 972 reports of complicated pandemic (H1N1) 2009 virus infections (48 deaths).

The number of deaths related to pneumonia and influenza during week 32 was 249, which was slightly above the number for the same period of last year (246 deaths).

The rate of outpatient visits for influenza-like illness is 1.24%, an increase of 2% compared with the previous week (1.22%).

The rate of emergency room visits for influenza-like illness is 12.29%, with no obvious change compared with the previous week (12.32%).
http://flu.cdc.gov.tw/public/Data/082516261571.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
Re: Taiwan --Week 34, 2010 (1 new death; 49 deaths since July 2009)

During week 34 (August 22–28, 2010), influenza activity remained unchanged in Taiwan, and seasonal influenza virus type AH3 is predominant in the community.

Of the 603 specimens tested during week 32–34, 107 (17%) were positive for influenza viruses, 27 (5%) were positive for pandemic (H1N1) 2009 viruses, 56 (9%) were positive for influenza A (H3N2) virus, 3 (<1%) were positive for untyped influenza A virus and 17 (3%) were positive for seasonal influenza B viruses; 33% (95% confidence interval 23%–44%) of all subtyped influenza A viruses were pandemic (H1N1) 2009 viruses.

Since July 1, 2010, there have been 314 reports of complicated influenza virus infections, including 247 reports of seasonal influenza virus type AH3 infections and 38 reports of complicated pandemic (H1N1) 2009 virus infections. There were 5 new complicated pandemic (H1N1) 2009 influenza cases, 37 new seasonal influenza virus type AH3 cases, and 3 new seasonal influenza virus untyped A cases during week 34. Since July 1, 2009, there have been 977 reports of complicated pandemic (H1N1) 2009 virus infections (49 deaths).
Since July 1, 2010, there have been 10 reports of death from complicated influenza infection; 5 from the pandemic H1N1 2009 and 5 from the seasonal H3N2 strain, respectively.

The number of deaths related to pneumonia and influenza during week 33 was 220, which was above the number for the same period of last year (203 deaths).

The rate of outpatient visits for influenza-like illness is 1.24%, the same as the previous week (1.24%).

The rate of emergency room visits for influenza-like illness is 12.20%, with no obvious change compared with the previous week (12.29%).
http://flu.cdc.gov.tw/public/Data/091171002.pdf
http://flu.cdc.gov.tw/lp.asp?ctNode=1477&CtUnit=780&BaseDSD=7&mp=151
 
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