US CDC backs Tamiflu after this season’s flu vaccines found to be less effective

By Gareth Macdonald contact

- Last updated on GMT

Influenza
Influenza

Related tags: Influenza, Oseltamivir

The US CDC has recommended that doctors give people Tamiflu (oseltamivir) after detecting that this year's vaccines a less effective than in previous years.

The US agency name the Roche antiviral in its “think flu”​ campaign last week, urging patients to consider using it or Relenza (zanamivir), Rapivab (peramivir) as a second line defence and warning that vaccines developed for the current flu season are less effective than in previous years.

Preliminary vaccine effectiveness results of about 23% indicate that the vaccine is working less well this season, likely because of substantial antigenic and genetic drift among circulating H3N2 viruses, which are dominating so far this season​.”

So, while the CDC still recommends that doctors vaccinate their patients, the agency also suggests they consider giving an antiviral therapy to infants and elderly people considered high risk for flu-related complications

Roche told in-Pharmatechnologist.com that: “Roche cannot comment on CDC policy.”

“However, Roche supports the use of Tamiflu (oseltamivir) as a CDC recommended medicine for the treatment and prevention of flu, as demonstrated by its approval in over 100 countries and having been taken by over 130 million people worldwide.”

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