Tag - Influenza

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Influenza (FLU) Update for Week Ending 12-28-19

Influenza (FLU) Update for Week #52 — Week Ending 12-28-19 The CDC reported that flu activity (diagnosed flu and ILI outpatient visits) is high in all regions of the US and is continuing to increase.  It has been elevated for eight (8) weeks now, longer at this time point than in most previous seasons.  It is also important to note that Flu/ILI might be underreported for this time period because of the holidays and less people going for outpatient/doctor office [...]

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Influenza (FLU) Update for Week Ending 12-14-19

Influenza (FLU) Update for Week #50 — Week Ending 12-14-19 The CDC reported that flu season is in full swing, with all regions of the US having elevated ILI and flu activity continuing to increase.  Most of the current flu activity is caused by Influenza B/Victoria which typically occurs in late Winter or Spring, toward the end of the flu season.  A(H1N1) is the next most common and is increasing compared to the other flu viruses, followed by A(H3N2) with [...]

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Influenza (FLU) Update for Week Ending 12-7-19

Influenza (FLU) Update for Week #49 — Week Ending 12-7-19 The CDC reported that seasonal flu is in full swing, with all regions of the US having elevated ILI and flu activity continues to increase.  Most of the current flu activity is caused by Influenza B/Victoria which more typically occurs toward the end of the flu season.  A(H1N1) is the next most common and seems to be increasing compared to the other flu viruses, followed by A(H3N2) with a much [...]

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Influenza (FLU) Update for Week Ending 11-30-19

Influenza (FLU) Update for Week #48 — Week Ending 11-30-19 The CDC reported that seasonal flu activity continued to increase over the previous week; from a national perspective, ILI has been at/above baseline for four weeks, and many areas of the country have significant levels of flu, while some areas are still seeing only low levels of flu activity.  According to the data, the 2019/20 flu season is ramping up earlier and faster when compared with other recent years (see [...]

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Influenza (FLU) Update for Week Ending 11-23-19

Influenza (FLU) Update for Week #47 — Week Ending 11-23-19 The CDC reported that seasonal flu activity continued to increase over the previous week but the level of activity and the predominant influenza virus differ according to region.  From a national perspective, ILI has been at/above baseline for three weeks.  Some areas, particularly in parts of the South and West are seeing elevated levels, while other areas still have low levels of flu activity.  According to the data, the 2019/20 [...]

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Influenza (FLU) Update for Week Ending 11-9-19

Influenza (FLU) Update for Week #45  Week Ending 11-9-19 The CDC reported that seasonal flu activity increased over the previous week with more states reporting increased levels of Flu and ILI.  From a national perspective, ILI remains below baseline but some areas, particularly in the South, are seeing earlier-than-typically-expected increased levels.  Influenza-like illness (ILI) is defined as a temperature at/above100o F [37.8o C] and cough and/or sore throat without a known cause other than flu.  A Flu case, that is included [...]

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Influenza (FLU) Update for Week Ending 11-2-19

Influenza (FLU) Update for Week #44  Week Ending 11-2-19 The CDC reported that seasonal flu activity is low, but increased some from the previous week.  These lower levels are expected for this time of year although Louisiana and Puerto Rico reported continued high levels of ILI.  Influenza-like illness (ILI) is defined as a temperature at/above100o F [37.8o C] and cough and/or sore throat without a known cause other than flu.  A Flu case, that is included in CDC data, indicates a [...]

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Influenza (FLU) Update for Week Ending 10-26-19

Influenza (FLU) Update for Week #43  Week Ending 10-26-19 The CDC reported that seasonal flu activity is low, but had increased a little from the previous week. These levels are expected for this time of year.  Influenza-like illness (ILI) is defined as a temperature of at/above100o F [37.8o C] and cough and/or sore throat without a known cause other than flu). Diagnosed Flu and ILI are expected to increase in the next few weeks and months. It is recommended by public [...]

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Influenza (FLU) Update for Week Ending 6-1-19

Influenza (FLU) Update for Week #22 — Week Ending June 1, 2019  The CDC reported Flu & ILI activity remained low throughout the nation during Week #22. This year’s Flu Season has finally ended, although flu cases will likely continue to occur in small numbers, with flu-related hospitalizations, and perhaps adult & pediatric deaths due to flu, taking place occasionally. This Influenza Update will conclude FirstWatch’s reporting for the 2018-2019 Flu Season with a summary of this week’s stats, as well [...]

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Influenza (FLU) Update for Week Ending 5-18-19

For week #20 (ending 5-18-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), stayed low throughout the nation during Week #20, as this year’s Flu Season is finally ending after a record long number of weeks. Only one (1) state had widespread flu activity. ILI remained under the national baseline of 2.2%; all 10 Regions reported “Normal” activity with ILI. Respiratory specimens testing positive for flu decreased to 3.8% last week. The number of hospitalizations [...]

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Influenza (FLU) Update for Week Ending 5-4-19

For week #18 (ending 5-4-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), continued to decline during Week #18, as this year’s Flu Season repeated a decrease in almost all flu markers. Only two (2) states had widespread flu activity and ILI is again under the national baseline of 2.2%.  Nine (9) out of 10 Regions reported “Normal” activity with ILI less than each of their region-specific baselines.  The percentage of respiratory [...]

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Influenza (FLU) Update for Week Ending 4-27-19

For week #16 & 17 (ending 4-20 & 4-27-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), continued to decline during Weeks #16 and 17, as this year’s Flu Season finally showed a decrease in almost all the flu markers. Only a few states (3) had widespread flu activity and ILI is now under the national baseline of 2.2% for the second week in a row.  All Regions reported “Normal” activity with [...]

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Influenza (FLU) Update for Week Ending 4-13-19

For week #15 (ending 4-13-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), decreased again but was still elevated during Week #15, particularly for so late in the season. This Flu Season has been elevated for 21 weeks, a new record (it was 20 weeks in 2014/15). The percentage of respiratory specimens testing positive for flu decreased to 11.8% from 15.1% last week.  Also, the number of hospitalizations from flu continued to [...]

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Influenza (FLU) Update for Week Ending 4-6-19

For week #14 (ending 4-6-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), decreased again but was still elevated during Week #14, particularly for so late in the season. This Flu Season has been elevated for 20 weeks; the last time the season was so lengthy was in 2014/15.  The percentage of respiratory specimens testing positive for flu decreased to 15.1% from 18.1% last week.  Also, the number of hospitalizations from flu [...]

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Influenza (FLU) Update for Week Ending 3-30-19

For week #13 (ending 3-30-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), decreased but was still elevated during Week #13.  The percentage of respiratory specimens testing positive for flu decreased to 18.1% from 22.1% last week, while all 10 Regions reported flu levels above their baseline. Also, the number of hospitalizations from flu continued to increase.  The CDC expects flu and ILI activity to stay at elevated levels at least through [...]

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Influenza (FLU) Update for Week Ending 3-23-19

For week #12 (ending 3-23-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), decreased but was still elevated during Week #12.  The percentage of respiratory specimens testing positive for flu decreased to 22.1% from 26% last week with all 10 Regions reported flu levels above their baseline. Also, the number of hospitalizations from flu continued to increase.  The CDC expects flu and ILI activity to stay at elevated levels into mid-April, however [...]

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Influenza (FLU) Update for Week Ending 3-16-19

For week #11 (ending 3-16-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), was elevated during Week #11.  The percentage of respiratory specimens testing positive for flu increased slightly to 26% from 25.8% last week, all 10 Regions reported flu levels above their baselines, and the number of hospitalizations from flu continued to increase.  The CDC expects flu and ILI activity to stay at elevated levels into April, however none of the [...]

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Influenza (FLU) Update for Week Ending 3-9-19

For week #10 (ending 3-9-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), remained widespread during Week #10.  The percentage of respiratory specimens testing positive for flu decreased slightly again to 25.8% from 26.1% last week, all 10 Regions reported flu levels above their baselines, and the number of hospitalizations from flu continued to increase.  The CDC expects flu and ILI activity to stay at elevated levels for the rest of March, [...]

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Influenza (FLU) Update for Week Ending 3-2-19

For week #09 (ending 3-2-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), remained widespread during Week #9.  The percentage of respiratory specimens testing positive for flu decreased slightly to 26.1% from 26.4% last week, all 10 Regions reported flu levels above baseline, and the number of hospitalizations from flu continued to increase.  The CDC expects flu and ILI activity to stay at elevated levels for at least a few more weeks, [...]

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Influenza (FLU) Update for Week Ending 2-23-19

For week #08 (ending 2-23-19) the CDC reported that Influenza (Flu) activity, which includes diagnosed flu as well as ILI (Influenza-Like-Illness), remained widespread during Week #8.  The percentage of respiratory specimens testing positive for flu decreased slightly to 26.4% from 26.7% last week, all 10 Regions reported flu levels above baseline, and the number of hospitalizations from flu continued to increase, setting a new high for this flu season.  The CDC expects flu and ILI activity to stay at elevated [...]

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