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11 Jan 2017

Seasonal #influenza comes early in the #EU/EEA (@ECDC_EU, Jan. 11 ‘17)


Title: Seasonal #influenza comes early in the #EU/EEA.

Subject: Seasonal human influenza virus activity, early start of the winter epidemic in the European Union.

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

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Seasonal influenza comes early in the EU/EEA


10 Jan 2017

Seasonal influenza has begun early in the 2016/2017 season with A(H3N2) as the dominating virus. At this stage, it is too early to anticipate what the consequences will be for primary and secondary care, but if the A(H3N2) strain continues to dominate, people over 65 years of age may be the most severely affected, possibly putting some national healthcare systems under pressure.

ECDC published a rapid risk assessment reviewing the season so far.

To prevent severe cases, vaccination of the elderly and other high-risk individuals remains a priority in line with national recommendations:

“People who are recommended to have the influenza vaccine by their national authorities should get vaccinated.

‘’Normally vaccination should be undertaken in the autumn, before the flu season begins in order to maximise benefit, but high risk groups, notably people over 65 years of age, can still benefit from being vaccinated in January and February”, says Mike Catchpole, Chief Scientist at ECDC.

Vaccine effectiveness is always partial and neuraminidase inhibitors for laboratory-confirmed or probable cases of influenza should be considered as an option for vaccinated and non-vaccinated patients at risk.

The current information shows that the circulating influenza viruses are in line with the influenza vaccine components.

In A(H3N2)-dominated seasons, older people have been affected the most, resulting in a high number of hospitalised cases and an increase in fatal outcomes in this age group.

This was also seen during the 2014—2015 season, with a high number of outbreaks in long-term care facilities and excess all-cause mortality.

Should the A(H3N2) virus remain predominant in most countries older age groups would likely be the most affected and the most at risk of severe disease and outcomes.

Since the start of the season, 69% of influenza patients hospitalised in intensive care units were aged 65 years or more, where that information is available.

ECDC, along with WHO Europe, monitors seasonal influenza and produces weekly updates.

For more information see Flu News Europe


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