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— Influenza H3 – US CDC Health Advisory

Mutations create challenges for typing Influenza A viruses

From BCCDC: Today the Canadian Sentinel Practitioner Surveillance Network (SPSN) published a paper in Eurosurveillance, entitled “Mutations acquired during cell culture isolation may affect antigenic characterization of influenza A(H3N2) clade 3C.2a viruses”. The paper is available in full here (open access). We thought you would be interested in the findings, although like influenza itself, they are complicated. We have summarized the key findings below but please consult the full paper for details...

New AMMI Antiviral Guidance for Influenza Outbreaks

In December 2015, the Association of Medical Microbiology and Infectious Disease Canada (AMMI) published an updated guidance document for the use of antivirals in the management of care facility influenza outbreaks for the 2015-16 season. Given the potential for low vaccine effectiveness of this season’s influenza vaccine, the AMMI guidance document states that, at the discretion of the local health authority or Medical Health Officer, antiviral prophylaxis may be extended beyond...

Emerging respiratory-borne viruses update from BCCDC

Below is an update from BCCDC on emerging respiratory-borne viruses (ERV), including details related to: Increase in MERS-CoV cases in September and October 2014 primarily in Saudi Arabia and linked to camel contact. Subsequent amplification through human-to-human spread within the nosocomial setting is reminiscent of SARS. Also in October, a travel-related MERS-CoV case has been reported for the first time in Turkey. Several Hajj-associated suspect cases are under investigation elsewhere but...