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#Update: Increase in #Human #Infections with #Avian #Influenza #H7N9 Viruses During the 5th #Epidemic — #China, Oct. ‘16–Aug. 7 ‘17 (@CDCgov, edited)

Title : #Update: Increase in #Human #Infections with #Avian #Influenza #H7N9 Viruses During the 5th #Epidemic — #China, Oct. ‘16–Aug. 7 ‘17....

26 Dec 2016

#Risk #assessment of seasonal #influenza, #EU/EEA, 2016/2017, 24 December 2016 (@ECDC_EU, summary)

 

Title: #Risk #assessment of seasonal #influenza, #EU/EEA, 2016/2017, 24 December 2016.

Subject: Seasonal Influenza, risk assessment.

Source: European Centre for Disease Prevention and Control (ECDC), full PDF file (LINK). Summary.

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RAPID RISK ASSESSMENT

Risk assessment of seasonal influenza, EU/EEA, 2016/2017, 24 December 2016

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Suggested citation: European Centre for Disease Prevention and Control. Risk assessment of seasonal influenza, EU/EEA, 2016/2017 –24 December 2016. Stockholm: ECDC; 2016.

© European Centre for Disease Prevention and Control, Stockholm, 2016

 

Main conclusions and options for response

  • This season, influenza viruses, mainly A(H3N2), began circulating early in the EU/EEA.
  • It is too early to anticipate the intensity in primary care and severity in secondary care, but if A(H3N2) continues to predominate, there is a risk that people over 65 years of age will be the most severely affected, possibly putting some healthcare systems under pressure.
  • Influenza A(H1N1)pdm09 may dominate in a few countries where A(H3N2) was dominant last season (Slovenia and Italy).
  • Although just over half of the A(H3N2) viruses characterised at this early stage of the season belong to a new genetic clade, they all are antigenically less than four-fold different from the vaccine strain in the haemagglutination inhibition test.
  • Preliminary vaccine effectiveness (VE) estimates from Scandinavia suggest levels of effectiveness towards the upper range of those seen during the period 2011—2015.
  • Given the early epidemiological and VE data, vaccination of the elderly and other high-risk individuals remains a priority, in line with the national recommendations of the EU/EEA Member States, to prevent more severe cases.
  • Given the partial effectiveness of influenza vaccines, rapid use of neuraminidase inhibitors for laboratory-confirmed or probable cases of influenza should be considered for vaccinated and non-vaccinated at-risk patients.

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Keywords: ECDC; Updates; EU; European Region; Seasonal Influenza.

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