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New information
received from 25 European countries |
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Overall,
influenza activity declined across Europe. It has however been increasing
in Russia, Lithuania, Finland, Iceland & Greece.
A(H1N1) viruses were predominant
except in the British Isles & Iceland where type B was dominant. |
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Weeks 21/06 to 21/08
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| AUSTRIA** |
Influenza activity due
to the A(H1N1) virus has been decreasing since week 21/07 |
Weeks 21/06 to 21/07 28/02/2001 |
| BELARUS** |
Influenza activity due
to A and B viruses reached its peak during week 21/06 and has been decreasing
since then down to local levels |
Weeks 21/07 & 21/08 28/02/2001 |
| BELGIUM** |
ARI & ILI levels below
epidemic levels. Ongoing isolations/detections of influenza A & B viruses |
Week 21/08 25/02/2001 |
| BULGARIA |
Increasing levels of influena
activity since week 21/04. So far, 9 sporadic A(H3N2) strains were isolated
in December and January. Two A(H1N1) isolates were reported in January
from sporadic cases. |
Weeks 21/01 to 21/06 15/02/2001 |
| CROATIA** |
Detections of influenza
A viruses were reported from specimens originating from different parts
of the country during weeks 21/07 & 21/08 |
Weeks 21/07 & 21/08 26/02/2001 |
| CZECH
REPUBLIC** |
Influenza activity levels
peaked during week 21/05 then fell from widespread (week 21/06) to regional
(week 21/07) and from regional (week 21/07) to local (week 21/08). Activity
was associated with A (H1N1) viruses |
Weeks 21/07 & 21/08 |
| DENMARK** |
Influenza activity levels
have been decreasing since week 21/07 from widespread (weeks 21/06 &
21/07) to regional (week 21/08). Activity was mainly due to influenza A(H1N1)
viruses |
Weeks 21/07 & 21/08 |
| FINLAND** |
Influenza activity, mainly
due to influenza A(H1N1) viruses, was reported as moderately epidemic in
all parts of the country |
Week 21/07 26/02/2001 |
| FRANCE** |
Influenza acitivity decreased
down to regional levels (week 21/06) then down to local levels (weeks 21/07
& 21/08). Activity was mainly due to A(H1N1) viruses |
Weeks 21/07 & 21/08 28/02/2001 |
| GERMANY** |
Influenza activity reached
its peak during week 21/05 and then declined from widespread (week 21/06)
to regional (week 21/07) and down to sporadic (week 21/08). Influenza was
mainly due to influenza A (H1N1) viruses |
Weeks 21/07 & 21/08 |
| GREECE** |
Influenza activity increased
slightly during weeks 21/07 & 21/08 mainly associated with A/New Caledonia/20/99
(H1N1)-like viruses. The first isolation of influenza B was reported |
Weeks 21/07 & 21/08 |
| HUNGARY |
Local outbreaks of influenza
activity, in patients aged below 60 years. Isolations/detections of influenza
A(H1N1) viruses were increasingly reported |
Week 21/03 10/02/2001 |
| ICELAND** |
Influenza activity due
to type B viruses reached widespread levels during week 21/07 |
Week 21/07 21/02/2001 |
| IRELAND** |
Influenza activity was
mainly due to B viruses and was reported as local |
Weeks 21/07 & 21/08 |
| ITALY** |
Influenza activity reached
its peak during week 21/06. It was reported as regional during week 21/07
and then decreased down to local levels (week 21/08). Activity was mainly
associated with influenza A(H1N1) viruses |
Weeks 21/06 to 21/08 |
| LATVIA** |
Influenza activity slowly
decreased from week 21/07 where it was described as regional to week 21/08.
Activity however remained above epidemic thresholds. It was associated
with detections and isolations of influenza A(H1N1) viruses |
Weeks 21/07 & 21/08 27/02/2001 |
| LITHUANIA** |
Influenza activity increased in 4 regions and was at epidemic
levels in ten of the 52 regions |
Week 21/07 20/02/2001 |
| THE
NETHERLANDS** |
Influenza activity due
to influenza A(H1N1) viruses decreased from sporadic levels (weeks 21/06
& 21/07) to no activity (week 21/08) |
Weeks 21/06 to 21/08 |
| NORWAY** |
Widespread influenza activity
at low to moderate levels was reported in asssociation with the influenza
A(H1N1) virus as the dominant one |
Week 21/08 28/02/2001 |
| POLAND** |
Influenza activity has
been decreasing since week 21/06. One influenza A strain was isolated and
characterised as antigenically related to the A/New Caledonia/20/99(H1N1)
variant |
Weeks 21/06 to 21/08 |
| PORTUGAL |
Both A(H1N1) and A(H3N2)
isolates were reported for week 21/01 |
Weeks 21/03 & 21/04 |
| ROMANIA** |
Influenza activity was reported as regional and was mainly
due to influenza A(H1N1) viruses |
Week 21/08 01/03/2001 |
| RUSSIA** |
ARI and ILI levels were
above the epidemic thresholds in 35 regions of Russia. Influenza activity
was due to influenza A(H1N1) viruses |
Weeks 21/06 & 21/07 |
| SLOVAK REPUBLIC** |
Influenza activity continued
to decrease during weeks 21/07 and 21/08. Activity was mainly due to A(H1N1)
viruses |
Weeks 21/07 & 21/08 |
| SLOVENIA** |
Influenza activity reached its peak during week 21/07
and was reported as local. It then sharply decreased |
Weeks 21/07 & 21/08 |
| SPAIN** |
Sporadic influenza activity
due to influenza A viruses. A(H3N2) was the dominant sub-type during week
21/08 |
Weeks 21/04 to 21/06 |
| SWEDEN |
Sporadic influenza activity. 2 influenza A viruses and
4 B were isolated within the sentinel system |
Week 21/03 |
| SWITZERLAND** |
Influenza activity remained
at regional levels. The predominant type and subtype were A and H1N1, respectively |
Weeks 21/07 & 21/08 |
| UNITED
KINGDOM** |
Influenza activity has
continued to decrease across England and Scotland. In England, influenza
type B was predominant |
Week 21/08 |
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EISS member |
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| Elsewhere
in the world |
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| USA** |
Widespread
influenza activity was reported by 7 states and territorial health departments,
whereas regional or sporadic activity was reported respectively by 27 and
14 states and territorial health departments.
During week 21/07, 227 (14%) specimens were found positive: 48 (18%)
were influenza A(H1N1), 1 (0,4%) was influenza A(H3N2), 69 (30%) were type
A not subtyped and 117 (52%) were influenza B viruses. |
Week 21/07 |
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