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Regional Update 2012-13 Season: Weeks 42-9

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  • Regional Update 2012-13 Season: Weeks 42-9

    According to Pan American Health Organization for Week 42:
    Mexico: 10 positive samples associated to influenza B and 3 associated to influenza A(H3)

    Caribbean
    Barbados, Belize, St. Vincent & the Grenadines, Trinidad and Tobago and Suriname: SARI hospitalizations 4.4%
    Cuba: 1.5% positive for influenza
    Jamaica: ARI 10.2%; SARI admissions 1.2%
    44% positive for influenza (all B)
    Guadeloupe and Martinique: epidemic of bronchiolitis

    Central America
    Costa Rica: 42.6% positive for influenza (majority A)
    El Salvador: ARI higher compared to the same period in 2011
    Majority Influenza B in circulation over past 3 months
    Nicaragua: Co-circulation of influenza A(H3N2) and influenza B
    Panama: influenza low

    South America
    Colombia: SARI hospitalizations 20.4%
    Brazil: 20.37% for influenza: A(H3), A(H1N1)pdm09 and B
    Chile: ILI remaining in the alert zone of the endemic channel; influenza B detected
    Paraguay: ILI rate (100.2/100,000 population) and the proportion of ILI consultations (5%) in sentinel units; SARI hospitalizations 5.1%
    http://new.paho.org/hq/index.php?opt...d=2469&to=2246

  • #2
    Re: Regional Update 2012-13 Season: Weeks 42-44

    According to Pan American Health Organization for Week 44:

    Caribbean
    The SARI admission rate increased in Barbados and St. Vincent & the Grenadines; highest rate among children between 6 months and 4 years of age (9.2%). Influenza B detected in Jamaica
    Cuba: 54.5% positive for influenza; A(H1N1)pdm09 detected
    Jamaica: ARI 8.9%; SARI admissions 1.9%
    93.8% positive for influenza (majority B)
    Dominican Republic: Influenza B detected

    Central America
    Costa Rica: 1 influenza B-associated death reported
    El Salvador: ARI higher compared to the same period in 2011; highest number of ARI and pneumonia cases in 1-4 year olds
    Guatemala: No influenza detected
    Honduras: A(H3N2) detected
    Nicaragua: A(H3N2) predominant
    Panama: influenza low

    South America
    Bolivia: Influenza B, A(H3), A(H1N1)pdm09 and parainfluenza detected
    Colombia: No influenza detected
    Peru: Pneumonia at epidemic levels in children under 5. RSV, A(H1N1)pdm09 and parainfluenza detected
    Brazil: 20.4% SARI cases due to influenza; majority A(H1N1)pdm09
    Chile: ILI Influenza B detected; ILI in alert zone
    Paraguay: Influenza B and influenza A(H3) detected
    http://new.paho.org/hq/index.php?opt...iruses&lang=en

    Comment


    • #3
      Re: Regional Update 2012-13 Season: Weeks 42-45

      According to Pan American Health Organization for Week 45:

      Caribbean
      Barbados, Belize, Jamaica, St. Vincent & the Grenadines, Trinidad and Tobago and Suriname: the proportion of severe acute respiratory infection (SARI) hospitalizations was 3.0% which is higher than what was reported during the prior week (2.4%). In the last 4 weeks (EW 42 to 45) the following viruses have been laboratory confirmed in CAREC member countries: influenza A(H1N1)pdm09 (Jamaica), influenza A(H3N2) (Barbados), influenza A not
      further typed (Barbados), influenza B (Cayman Islands, Dominica and Jamaica), parainfluenza type 2 (Cayman Islands) and respiratory syncytial virus (Barbados, Cayman Islands and Dominica).
      One SARI-death was reported in Belize in one person >65
      Jamaica: ARI was 6.9%

      Central America
      El Salvador: RSV, adenovirus, influenza B and influenza (H3N2) were detected.
      Nicaragua: A(H3N2) predominant
      Panama: influenza low

      South America
      Bolivia: Influenza B, A(H3) detected
      Colombia: Influenza A and B detected
      Ecuador: Percentage of positivity of 14.3%, which was higher than previous week and with complete predominance of parainfluenza virus
      Peru: Percent positive was 18.7%, which was higher than previous week, with presence of influenza B and parainfluenza virus
      Venezuela: ARIs and pneumonias slightly increased (4.7% and 5.5% respectively) but remained in safety zone of endemic channel.

      South America –Southern Cone & Brazil
      Argentina: SARI cases for the same EW remained below the reported values for 2010 and 2011. At the sub-national level, some provinces such as Formosa, San Juan and Tucumán showed cumulative rates higher than the expected values for the period. According to laboratory data in EW 43, the percentage of positive samples for respiratory viruses was 20.9%: predominance of parainfluenza (37%)
      Brazil: 19.15% positive for influenza: influenza A(H3) virus A(H1N1)pdm09 and influenza B.
      Chile: percentage positivity for respiratory viruses was 13.7%, which was slightly higher with respect to previous week, with a predominance of influenza B (26.4%) and parainfluenza (25.3%). In SARI surveillance, one case of influenza B
      Paraguay: ILI 4.5% In the SARI surveillance system in sentinel units, the proportion of hospitalizations for EW 44 was 3.1%, showing a decrease with respect to the previous EW.
      Uruguay: SARI surveillance system, the proportion of hospitalizations and ICU admissions did not show significant changes with respect to prior EW.
      http://new.paho.org/hq/index.php?opt...iruses&lang=en

      Comment


      • #4
        Re: Regional Update 2012-13 Season: Weeks 42-47

        According to Pan American Health Organization for Week 47:

        Caribbean
        SARI hospitalizations was 3.9% which is higher than what was reported during the prior week (3.6%). The SARI admission rate increased in 2 countries (St. Vincent and the Grenadines and Belize) and remained at nil for one country (Trinidad and Tobago). The highest rate of SARI was among children 6 months to 4 years age (12.6% of hospital medical admissions were due to SARI). One SARI death was reported from Belize; the patient was >65 years age. To date in 2012, the overall percentage positivity for samples tested is 38%, with a 20% positivity for influenza.
        Cuba, the percentage of positive samples for influenza viruses was 50% among the tested samples (n=96). RSV, Influenza A(H1N1)pdm09, parainfluenza and other respiratory viruses were detected
        Jamaica ARI was 7.2% (0.3% lower than the previous EW). The proportion of admissions due to SARI was 1.1 % (0.5% decrease when compared to the EW before).
        Dominican Republic, percent positivity for respiratory viruses was 21.4%. Parainfluenza, SRV and Influenza B were detected.
        Guadalupe, bronchiolitis epidemic associated to RSV circulation decreased and the number of consultations has been below the epidemic threshold during the last 3 weeks.
        Martinique, the epidemic of bronchiolitis associated to RSV, reported in October, has been decreasing since the beginning of November; however, in EW 47, the number of outpatient consultations for bronchiolitis still remains higher than the expected level for this time of the year.
        Saint-Martin and Saint-Barthélemy: no influenza or other respiratory virus activity was reported.

        Central America
        Costa Rica, EW 46, the percentage of positive samples for respiratory viruses (57%) was higher than the previous weeks. RSV remained as the predominant circulating virus. Among influenza viruses, influenza A was more prevalent. Among the influenza A subtyped, mainly influenza A(H3N2) was detected.
        El Salvador: The cumulative number of ARI cases in 2012 was higher as compared to the same period in 2011; and the cumulative number of pneumonia cases in 2012 was lower as compared to the same period in 2011. The highest percentages of ARI cases (21%) and pneumonia cases (39%) were reported in the children 1-4 years old group. RSV, adenovirus and A(H3N2) detected.
        Guatemala: RSV and A(H3N2).
        Honduras: ILI consultations 5%. The proportion of SARI hospitalizations (9%) decreased as compared to the previous week, however, it remained in a high level as compared to 2012 and higher than observed in 2011. The proportion of positive samples (50%), associated with higher circulation of influenza A(H3N2). RSV decreased.
        Nicaragua: percentage of positive samples for respiratory viruses (24%). Influenza B has been the predominant circulating virus.
        Panama: the percentage of positive samples for respiratory viruses was 88%, mainly associated to RSV. Low influenza activity (influenza B) was reported.

        South America
        La Paz, Bolivia: SARI (5.3%) admissions slightly increased with respect to the previous EW with no ICU admissions and no SARI-deaths reported. 22.7% percent positive; predominance of influenza B.
        Santa Cruz (CENETROP): positivity was 5%. Parainfluenza was detected among the positives.
        Colombia: SARI hospitalizations (12.3%) and ICU admissions (9.5%) slightly increased while ILI consultations (10.5%) remained similar to previous EW. 14% positive, with a predominance of influenza A(H3N2), followed by influenza B.
        Ecuador: SARI hospitalizations, SARI ICU admissions and SARI deaths (2%, 1% and 2% respectively) no significant changes with respect to the previous EW. 6.5% positivity, detecting parainfluenza virus. No influenza viruses were detected in the last 5 weeks.
        Peru: endemic channel of ARIs and pneumonias in children under 5 years remained within the expected levels for this time of period. At the subnational level, Lambayeque, Madre de Dios and Ucayali reported a pneumonia activity in children under 5 years old above or close to the epidemic threshold of the endemic channel. The percentage of positive samples for respiratory viruses among samples tested was 7%, which was lower with respect to the previous EW, with a predominance of RSV and influenza A(H1N1)pdm09.
        Venezuela, at the national level, in EW 46, the number of ARIs and pneumonias slightly decreased (of 6.4% and 5.5% respectively) and remained within the safety zone of endemic channel. For both ARI and pneumonia, children less than one year were the most affected age group. At the national level, SARI rate in EW 46 were 53,12/100,000 population, with 11 states exceeding this rate (Apure, Guarico, Monagas, Yaracuy, Trujillo, Mérida, Vargas, Zulia, Distrito Capital, Tachira and Delta Amacuro). So far, in 2012, cumulative positivity of 8.6% with predominance of influenza B (33.8%), influenza A(H3N2) (13.3%) and RSV (21.2%) among the positives.

        South America –Southern Cone & Brazil
        Argentina: at the national level, ILI cases remained in the safety zone while SARI cases was slightly higher than the reported values for 2011. At the sub-national level, some provinces such as Buenos Aires, Entre Ríos, Santa Fe, La Rioja, San Juan, San Luis, Formosa, Catamarca, Jujuy, Tucumán and Río Negro showed cumulative rates higher than the last year. The percentage of positive samples for respiratory viruses was 38.6% showing a significant increase; influenza A (46.9%) among the positive samples.
        Brazil: percentage of positive samples for influenza viruses was 5% among the tested, detecting influenza B this week.
        Chile: ILI was 6.1 per 100.000 population, with no significant changes with respect to the previous EW and remaining in alert zone of the endemic channel. The percentage positivity for respiratory viruses, 16.3%; predominance of influenza B, parainfluenza and adenovirus. In SARI surveillance, 4 positive samples (1 case associated with influenza B) were reported among the tested samples (n=8).
        Paraguay: ILI consultations (6%) in sentinel units. In the SARI surveillance system in sentinel units, the proportion of hospitalizations was 2.8%, percentage positivity of 23%, detecting influenza B, adenovirus and parainfluenza.
        Uruguay: SARI surveillance system, the proportion of hospitalizations showed no significant change, while proportion of ICU admissions slightly increased with respect to the prior EW. No SARI-deaths were reported in EW 47.
        http://new.paho.org/hq/index.php?opt...d=2469&to=2246

        Comment


        • #5
          Re: Regional Update 2012-13 Season: Weeks 42-48

          According to Pan American Health Organization for Week 48:

          Caribbean
          The SARI admission rate increased in Dominica.
          Cuba: Positive influenza viruses: 10.7% A(H1N1)pdm09 detected
          Jamaica: ARI 7.1%; SARI 1.4 %
          Dominican Republic: Positive influenza viruses 3.7%. Influenza B detected.
          Guadalupe: bronchiolitis epidemic associated to RSV circulation decreased and the number of consultations has been below the epidemic threshold during the last 3 weeks.
          Martinique: the epidemic of bronchiolitis associated to RSV has been decreasing since the beginning of November; however, in EW 47, the number of outpatient consultations for bronchiolitis still remains higher than the expected level for this time of the year.
          Saint-Martin and Saint-Barthélemy: no influenza or other respiratory virus activity was reported.

          Central America
          Costa Rica: percentage of positive samples for respiratory viruses 39%. RSV remained as the predominant circulating virus; influenza B more prevalent than A.
          El Salvador: ARI 11%; pneumonia cases 4%. No influenza viruses were detected.
          Guatemala: positive samples for respiratory viruses 55%. The respiratory viruses detected in the last EWs were RSVand few samples positive for influenza.
          Honduras: ILI 5.5%; SARI hospitalizations 8.7%; proportion of positive samples ~35%
          Nicaragua: positive samples for respiratory viruses (6%); influenza B has been the predominant circulating virus, followed by influenza A(H3N2).
          Panama: positive samples for respiratory viruses was 88%, mainly associated to RSV; low influenza activity (influenza B).

          South America – Andean
          La Paz, Bolivia: SARI hospitalizations (4%) and SARI deaths (0%); the proportion of ICU admissions increased to 14%; positivity for respiratory viruses of 10% ( predominance of influenza A(H3N2), followed by
          influenza B). In Santa Cruz (CENETROP), the positivity for respiratory viruses (33%); A(H3N2) was the predominant
          Colombia: SARI hospitalizations (17%); proportions of ICU admissions (8%); ILI consultations (10.4%); positivity of 12%: predominance of A(H3N2)
          Ecuador: SARI hospitalizations, SARI ICU admissions and SARI deaths (3%, 5% and 1% respectively); percentage of positivity (12%): Parainfluenza, influenza B and influenza A(H3) detected
          Peru: endemic channel of ARIs and pneumonias in children under 5
          years remained within the expected levels for this time of period. At the subnational level, Moquegua and Madre de Dios reported a pneumonia activity in children under 5 years old above or close to the epidemic
          threshold of the endemic channel; percentage of positive samples for respiratory viruses 20%: A(H1N1)pdm09 and influenza B were the most prevalent

          South America –Southern Cone & Brazil

          Argentina: ILI and pneumonia cases remain in the safety zone. SARI cases similar to the reported values for 2011 and 2010. Buenos Aires, Entre Ríos, Santa Fe, La Rioja, San Juan, San Luis, Formosa, Jujuy, Tucumán and Río Negro showed cumulative rates higher than the last year. Percentage of positive samples for respiratory viruses 38.6%: predominance of not subtyped influenza A
          Brazil: no respiratory viruses were detected.
          Chile: percentage positivity for respiratory viruses 12%; Influenza B was reported predominant, followed by adenovirus, human metapneumovirus, parainfluenza, influenza A(H3) and RSV.
          Paraguay: ILI consultations (4%); SARI proportion of hospitalizations 2.8%;
          percentage positivity of 7%, detecting parainfluenza.
          Uruguay: SARI proportion of hospitalizations showed no significant change, while proportion of ICU admissions decreased with respect to
          the prior EW. No SARI-deaths were reported in EW 48.
          http://new.paho.org/hq/index.php?opt...iruses&lang=en

          Comment


          • #6
            Re: Regional Update 2012-13 Season: Weeks 42-49

            According to Pan American Health Organization for Week 49:

            The SARI admission rate increased in Dominica.
            In the last 4 weeks (EW 45 to 48) the following viruses have been laboratory confirmed in CAREC member countries: influenza A(H3N2) (Barbados), influenza B (Barbados, Dominica and Jamaica), parainfluenza type 2 (Cayman Islands) and respiratory syncytial virus (Barbados, Dominica and Trinidad and Tobago).

            In Cuba, in EW 49, according to laboratory data, the percentage of positive samples for respiratory viruses was 29% and for influenza viruses was 4.6% among the tested samples (n=65). Rhinovirus was the most predominant virus detected, followed by influenza A(H1N1)pdm09.

            In Jamaica for EW 49, the proportion of consultations for ARI was 5.9% (1.2% lower than the previous EW). The proportion of admissions due to SARI was 0.9%. There was no SARI death reported for epidemiological week 49. According to laboratory data no influenza viruses were detected among tested samples.

            In the Dominican Republic, 2.6% positive for influenza; influenza B detected.

            In Guadalupe and Martinique, the epidemic of bronchiolitis associated to RSV, continued to decrease.

            In Saint-Martin and Saint-Barthélemy, no influenza or other respiratory virus activity was reported.

            Central America
            In Costa Rica, co-circulation of influenza B and influenza A(H3).

            In El Salvador, this week, no influenza viruses were detected.

            In Nicaragua, influenza B has been the predominant circulating virus, followed by influenza A(H3N2).

            In Panama, in the last week, low influenza activity was reported.

            South America – Andean
            In Bolivia, Santa Cruz, according to laboratory data from CENETROP institute, 60% positive for influenza; majority A(H3N2) In La Paz, Bolivia, according to SARI surveillance data, in EW 48, the percentage of SARI hospitalizations (4%) and SARI deaths (0%) remained low; proportion of ICU admissions increased to 14%.

            In Colombia, the proportions of SARI hospitalizations (10%) and ICU
            admissions (5.6%), while the proportion of ILI consultations (10%) did not change as compared to the previous week. In the last two weeks, influenza A(H3N2) and influenza B were detected.

            In Ecuador, according to the SARI surveillance system, detection of influenza A (H3) and parainfluenza.

            In Peru, in recent weeks influenza A (H1N1) pdm09, influenza A (H3) and influenza B were detected.

            South America –Southern Cone & Brazil
            In Argentina, the percentage positivity for respiratory viruses (22%) remained similar to previous weeks. Influenza A was the predominant virus
            (specially influenza A(H3) among the subtyped samples), followed by parainfluenza and influenza B.

            In Brazil, in EW 48, no respiratory viruses were detected.

            In Chile, in EW 48, according to laboratory data, at the national level, the percentage positivity for respiratory 12%; influenza B was reported as the predominant virus.

            In Paraguay: ILI 4%. According to the sentinel SARI surveillance system, the proportion hospitalizations for EW 49 was 3.1%, which was low and similar to the previous week, but there was a slight increase in the proportion of SARI ICU admissions (12%). This week there were 2 SARI deaths.

            In Uruguay, at the national level, in EW 49, the proportions of SARI hospitalizations and SARI ICU admissions showed no significant changes. No SARI deaths were reported.
            http://new.paho.org/hq/index.php?opt...iruses&lang=en

            Comment


            • #7
              Re: Regional Update 2012-13 Season: Weeks 42-9

              Week 9: (Detailed information and graphics for North America, Central America, the Caribbean and South America) http://new.paho.org/hq/index.php?opt...temid=&lang=en

              The information presented in this update is based on data provided by Ministries of Health and National Influenza Centers of Member States to the Pan American Health Organization (PAHO) or from updates on the Member States’ Ministry of Health web pages.

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