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SITUATION EPIDEMIO, WEEKS 1-27, 2013
Executive Summary
In the last two weeks of 2013, there is a stabilization of influenza-like illness (ILI) with intensity
moderate and alert area endemic channel. At the regional level remains high rates in Tarapaca
Magallanes, Los Lagos and Los Rios, but less than in the SE 26. Coquimbo stands having
significant increase compared to the previous week. Consultations hospital emergency services by
ILI early increase compared to that observed in previous years, remaining at week 27 in
1.6% of total emergency care.
The positivity for respiratory viruses in the ISP network reaches 40% at week 27, predominantly among RSV
positive (69%) and maintaining an upward trend, followed by influenza A (18%) who shows a stabilization.
In relation to the monitoring of severe acute respiratory infection (SARI), RSV remains the main virus
detected, followed by influenza A with 41% of cases of severe ARI accumulated to date. Regarding influenza,
prevailing influenza A (H1N1) pdm09 representing 73% of SARI cases by influenza A subtyped.
In South American countries, like Chile, is a high activity of respiratory infections
Acute showing an upward trend, with predominant circulating RSV and influenza co-circulating
A (H1N1) pdm09. In this context of increasing seasonal influenza and according to national regulations
force, is required to strengthen preventive measures, management of cases of influenza and surveillance.
1. ILI outpatient sentinel
2013
Surveillance of influenza-like illness
(ILI) 1 made through sentinel sites,
shows an upward trend until week
epidemiological (SE) 24, stabilizing the past
weeks endemic channel outside and recording
in the SE 27 26.4 rate per hundred
thousand inhabitants. Notification of ILI presents
moderate intensity is above
expected as shown in the channel.
The cumulative rate of ILI nationally (234.7
hundred thousand habs.) is higher by 72% compared to
observed the same period in 2012 (136.3 per hundred thousand
habs.). In EW 27 is maintained at high rates in Tarapaca
Magallanes, Los Lagos and Los Rios, but less
intensity than in the SE 262. Coquimbo is highlighted
presents significant increase over a week
above (Table 2 and Appendix 1).
Up to EW 27 of 2013 has been sampled at 915
ILI notified, confirmed by immunofluorescence
276 cases of respiratory viruses (30% positivity):
Influenza A (185 cases), RSV (52 cases), parainfluenza
(34 cases), influenza B (5 cases) and adenovirus
(3 cases).
In EW 27, 97 respiratory samples were analyzed in
ILI cases with positivity for respiratory viruses
of 37% (36 cases), higher than the previous SE (35% of
A total 93 samples). 15 are confirmed cases of influenza
A: Iquique (3), Atacama (1), Coquimbo (1),
Valparaiso (2) Conception (2), Valdivia (2) Punta
Arenas (3) and James (1). Moreover, cases are detected
VRS (17), parainfluenza (3) and Adenovirus (1).
...
4. SARI Surveillance: Influenza and other respiratory viruses
In EW 27, 2013, were 1,793 reported cases of SARI
sentinel and non-sentinel of our country with
977 positive cases of respiratory viruses, higher than
observed the same quarter of 2012 which records
1219 SARI cases (50% positivity). analysis
accumulated to date shows predominance VRS (46%) and
Influenza A (H1N1) pdm09 (32%), followed by parainfluenza
(7%), no subtype influenza A (7%), influenza
AH3N2 (3%), adenovirus (3%), influenza B (2%) and
rest to other respiratory viruses.
In EW 27 out of 91 SARI cases studied,
67 confirmed respiratory virus cases: mainly
RSV (39 cases), followed by influenza A (25 cases) and
rest are parainfluenza and adenovirus. (Figure
7).
Most positive cases presented in
Children under 2 years (355 cases) predominating
RSV (73%), followed by influenza, parainfluenza and
adenovirus. The 15-59 age group accounted for 20%
of the SARI is detected therein and mainly Influenza
A (H1N1) pdm09 (Figure 6).
According gravity, 15% of cases (n = 142) SARI
required ICU admission, with 25% in cases of
influenza A (H1N1) pdm09.
39 cases have been reported dead associated SARI
influenza A and and another with influenza B. Regarding influenza
A, 33 cases subtipifican as A (H1N1) pdm09
(corresponding to 22 were adults between 20 and 59
years) and 3 to influenza A (H3N2) and 3 without subtyping. an
64% of cases are found dead SARI presence
from underlying disease or risk factor.
...
machine translated;
SITUATION EPIDEMIO, WEEKS 1-27, 2013
Executive Summary
In the last two weeks of 2013, there is a stabilization of influenza-like illness (ILI) with intensity
moderate and alert area endemic channel. At the regional level remains high rates in Tarapaca
Magallanes, Los Lagos and Los Rios, but less than in the SE 26. Coquimbo stands having
significant increase compared to the previous week. Consultations hospital emergency services by
ILI early increase compared to that observed in previous years, remaining at week 27 in
1.6% of total emergency care.
The positivity for respiratory viruses in the ISP network reaches 40% at week 27, predominantly among RSV
positive (69%) and maintaining an upward trend, followed by influenza A (18%) who shows a stabilization.
In relation to the monitoring of severe acute respiratory infection (SARI), RSV remains the main virus
detected, followed by influenza A with 41% of cases of severe ARI accumulated to date. Regarding influenza,
prevailing influenza A (H1N1) pdm09 representing 73% of SARI cases by influenza A subtyped.
In South American countries, like Chile, is a high activity of respiratory infections
Acute showing an upward trend, with predominant circulating RSV and influenza co-circulating
A (H1N1) pdm09. In this context of increasing seasonal influenza and according to national regulations
force, is required to strengthen preventive measures, management of cases of influenza and surveillance.
1. ILI outpatient sentinel
2013
Surveillance of influenza-like illness
(ILI) 1 made through sentinel sites,
shows an upward trend until week
epidemiological (SE) 24, stabilizing the past
weeks endemic channel outside and recording
in the SE 27 26.4 rate per hundred
thousand inhabitants. Notification of ILI presents
moderate intensity is above
expected as shown in the channel.
The cumulative rate of ILI nationally (234.7
hundred thousand habs.) is higher by 72% compared to
observed the same period in 2012 (136.3 per hundred thousand
habs.). In EW 27 is maintained at high rates in Tarapaca
Magallanes, Los Lagos and Los Rios, but less
intensity than in the SE 262. Coquimbo is highlighted
presents significant increase over a week
above (Table 2 and Appendix 1).
Up to EW 27 of 2013 has been sampled at 915
ILI notified, confirmed by immunofluorescence
276 cases of respiratory viruses (30% positivity):
Influenza A (185 cases), RSV (52 cases), parainfluenza
(34 cases), influenza B (5 cases) and adenovirus
(3 cases).
In EW 27, 97 respiratory samples were analyzed in
ILI cases with positivity for respiratory viruses
of 37% (36 cases), higher than the previous SE (35% of
A total 93 samples). 15 are confirmed cases of influenza
A: Iquique (3), Atacama (1), Coquimbo (1),
Valparaiso (2) Conception (2), Valdivia (2) Punta
Arenas (3) and James (1). Moreover, cases are detected
VRS (17), parainfluenza (3) and Adenovirus (1).
...
4. SARI Surveillance: Influenza and other respiratory viruses
In EW 27, 2013, were 1,793 reported cases of SARI
sentinel and non-sentinel of our country with
977 positive cases of respiratory viruses, higher than
observed the same quarter of 2012 which records
1219 SARI cases (50% positivity). analysis
accumulated to date shows predominance VRS (46%) and
Influenza A (H1N1) pdm09 (32%), followed by parainfluenza
(7%), no subtype influenza A (7%), influenza
AH3N2 (3%), adenovirus (3%), influenza B (2%) and
rest to other respiratory viruses.
In EW 27 out of 91 SARI cases studied,
67 confirmed respiratory virus cases: mainly
RSV (39 cases), followed by influenza A (25 cases) and
rest are parainfluenza and adenovirus. (Figure
7).
Most positive cases presented in
Children under 2 years (355 cases) predominating
RSV (73%), followed by influenza, parainfluenza and
adenovirus. The 15-59 age group accounted for 20%
of the SARI is detected therein and mainly Influenza
A (H1N1) pdm09 (Figure 6).
According gravity, 15% of cases (n = 142) SARI
required ICU admission, with 25% in cases of
influenza A (H1N1) pdm09.
39 cases have been reported dead associated SARI
influenza A and and another with influenza B. Regarding influenza
A, 33 cases subtipifican as A (H1N1) pdm09
(corresponding to 22 were adults between 20 and 59
years) and 3 to influenza A (H3N2) and 3 without subtyping. an
64% of cases are found dead SARI presence
from underlying disease or risk factor.
...
