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Re: Taiwan Disease Surveillance 2011-2012 Flu Season (Peaked Week 2)
Week 19 (May 6? May 12, 2012)
Influenza activity in Taiwan peaked at week 2. Seasonal influenza virus type AH3 is predominant in the community.
Of the 178 specimens tested during week 17, 2012, 32 (18%) were positive for influenza viruses, 27 (15%) were positive for influenza AH3 virus, 4 (2%) were positive for pandemic (H1N1) 2009 virus, 1 (1%) was positive for influenza B virus.
There were 15 new complicated influenza infections and 1 report of death from complicated influenza infection during week 19. Since July 1, 2011, 1459 complicated influenza infections have been confirmed, including 1029 cases from influenza B virus infection, 331 cases from influenza AH3 (H3N2) virus infection, 76 cases from pandemic (H1N1) 2009 virus infection and 23 cases due to un-typed influenza A virus infection. 489 cases of complicated influenza infections received the intensive care. Since July 1, 2011, there have been 132 reports of death from complicated influenza infection; 101 from the seasonal influenza B strain, 23 from the seasonal H3N2 strain, 6 from pandemic (H1N1) 2009 virus infection and 2 from the un-typed influenza A virus, respectively.
The number of deaths related to pneumonia and influenza during week 18 was 247, which was below the number of the previous week (283 deaths).
The rate of outpatient visits for influenza-like illness is 1.1%, which was comparable with the rate of previous week (1.1%).
The rate of emergency room visits for ILI is 10.69%, a 4.2% increase compared with the rate of previous week (10.26%).
Week 19 (May 6? May 12, 2012)
Influenza activity in Taiwan peaked at week 2. Seasonal influenza virus type AH3 is predominant in the community.
Of the 178 specimens tested during week 17, 2012, 32 (18%) were positive for influenza viruses, 27 (15%) were positive for influenza AH3 virus, 4 (2%) were positive for pandemic (H1N1) 2009 virus, 1 (1%) was positive for influenza B virus.
There were 15 new complicated influenza infections and 1 report of death from complicated influenza infection during week 19. Since July 1, 2011, 1459 complicated influenza infections have been confirmed, including 1029 cases from influenza B virus infection, 331 cases from influenza AH3 (H3N2) virus infection, 76 cases from pandemic (H1N1) 2009 virus infection and 23 cases due to un-typed influenza A virus infection. 489 cases of complicated influenza infections received the intensive care. Since July 1, 2011, there have been 132 reports of death from complicated influenza infection; 101 from the seasonal influenza B strain, 23 from the seasonal H3N2 strain, 6 from pandemic (H1N1) 2009 virus infection and 2 from the un-typed influenza A virus, respectively.
The number of deaths related to pneumonia and influenza during week 18 was 247, which was below the number of the previous week (283 deaths).
The rate of outpatient visits for influenza-like illness is 1.1%, which was comparable with the rate of previous week (1.1%).
The rate of emergency room visits for ILI is 10.69%, a 4.2% increase compared with the rate of previous week (10.26%).
were positive for influenza viruses, 39 (19%) were positive for influenza AH3 virus, 5 (3%) were positive for pandemic (H1N1) 2009 virus, 1 (<1%) was positive for influenza B virus.
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