Last week, the World Health organization reported that vaccine companies have obtained yields of the pandemic vaccine that are 50 % to 75 % lower than
those for seasonal flu vaccine.
The Oneida County Health Department announced today that the demand
for seasonal flu vaccine has been much higher than anticipated and that their supply of seasonal flu vaccine was exhausted on October 9th.
Not exact matches
After its latest battle with H1N1, a U.S. Centers
for Disease Control and Prevention committee recommended in February that everyone six months and older get the annual
vaccine, a step that should improve immunity against future pandemics as well as
seasonal cycles of the
flu.
Novavax says that during Phase IIa of
seasonal flu vaccine testing, which began in May, it was able in the majority of people tested to surpass the FDA's requirements
for producing enough antibodies to protect the body from the H3N2, H1N1 and B viruses — all of which were common enough a year ago to be used to develop
flu vaccines for the 2008 to 2009
flu season.
As the northern hemisphere braces itself
for the
flu season, and
for the first time the US recommends
flu vaccination
for everyone over 6 months of age, Australia has confirmed that its main
seasonal flu vaccine, Fluvax, caused convulsions in 99 children, all of whom recovered.
They were randomized to receive one of three
vaccines: the quadrivalent
flu vaccine that contained two A
flu strains and both lineages of the B strains; the licensed trivalent intradermal
vaccine for the 2012 - 2013
flu season; or an alternate trivalent intradermal
vaccine that contained two A strains and the B strain that was not in the licensed
seasonal flu vaccine.
It will enable manufacturers to rapidly create and make available
vaccines for the
seasonal flu and pandemic outbreaks.
If there is such sustained transmission, versus imported cases from people who traveled to areas where the virus is circulating, several decisions would need to be made, Hartl said, including whether to switch production from the
vaccine for seasonal flu to the one
for pandemic
flu, and whether to ramp up production of antivirals.
Seasonal flu vaccines may protect individuals not only against the strains of
flu they contain but also against many additional types, according to a study published this week in mBio ®, the online open - access journal of the American Society
for Microbiology.
The work, directed by researchers at St. Jude Children's Research Hospital in Memphis, Tenn., found that some study participants who reported receiving
flu vaccines had a strong immune response not only against the
seasonal H3N2
flu strain from 2010, when blood samples were collected
for analysis, but also against
flu subtypes never included in any
vaccine formulation.
Each year, the U.S. Food and Drug Administration, in collaboration with the Centers
for Disease Control and Prevention and the World Health Organization, decides which strains of influenza virus to include in the
seasonal flu vaccine.