The Food and Drug Administration approved a vaccine for flu season on Monday in a long time to protect people against the three normal strains of flu expected to spread this fall.
The agency warned, however, that the vaccine does not guard against seasonal quarter, potentially more dangerous, the spread of the strain throughout the world. This virus, a novel influenza swine influenza known as H1N1, has caused over 40,000 cases and 260 deaths in the U.S. and its territories.
Its newness is what makes it so dangerous. Most people, especially those under 50, have not been exposed to new threats such as viruses or that it is relatively defenseless against infection. On June 11, the World Health Organization issued its highest alert for infectious diseases, which declares an influenza pandemic has begun.
The pandemic influenza virus only exacerbated the already considerable threat posed by seasonal influenza, which translates to about 200,000 hospitalizations and 36,000 deaths each year, said Anthony Fiore, an influenza epidemiologist at the U.S. Centers for Disease Control and Prevention.
"We know that they (in season) virus causes a large number of deaths in older people, people with chronic illness and little babies," he says. "We believe that the reasonable thing to do is go full speed ahead with seasonal influenza vaccine."
FIND MORE STORIES IN: World Health Organization | swine flu | Centers for Disease Control and Prevention | Vanderbilt University | Sanofi Pasteur | MedImmune | CSL Limited
William Schaffner, a flu expert at Vanderbilt University, agreed. "Many of us are anticipating a double barrel flu season this year - an outbreak of H1N1 and other strains of conventional," he says. "Whether they are at different times or overlap, there is no way to tell."
He noted that it would be a challenge for parallel campaigns of vaccination against influenza, especially if the pandemic vaccine, which is still under development requires two doses.
The vaccine contains a season A/Brisbane/59/2007 (H1N1)-like virus, an A/Brisbane/10/2007 (H3N2)-like virus and a virus B/Brisbane/60/2008-like.
Doctors fear that the movement of several influenza viruses can do to an influenza season, especially unpredictable. That's because flu viruses are among the changing nature of most organisms, genes and the continuous exchange of collecting new features.
The CDC recommends flu vaccine for children and young people from 6 months to 19 years of age, pregnant women, people older than 50 years, people with chronic diseases, persons with long-term care, and those who live with or care the people most susceptible to influenza and its complications.
The vaccine makers are CSL Limited, GlaxoSmithKline Biologicals, ID Biomedical Corporation, Novartis Vaccines and Diagnostics Limited, Sanofi Pasteur Inc. and MedImmune Vaccines Inc.
The agency warned, however, that the vaccine does not guard against seasonal quarter, potentially more dangerous, the spread of the strain throughout the world. This virus, a novel influenza swine influenza known as H1N1, has caused over 40,000 cases and 260 deaths in the U.S. and its territories.
Its newness is what makes it so dangerous. Most people, especially those under 50, have not been exposed to new threats such as viruses or that it is relatively defenseless against infection. On June 11, the World Health Organization issued its highest alert for infectious diseases, which declares an influenza pandemic has begun.
The pandemic influenza virus only exacerbated the already considerable threat posed by seasonal influenza, which translates to about 200,000 hospitalizations and 36,000 deaths each year, said Anthony Fiore, an influenza epidemiologist at the U.S. Centers for Disease Control and Prevention.
"We know that they (in season) virus causes a large number of deaths in older people, people with chronic illness and little babies," he says. "We believe that the reasonable thing to do is go full speed ahead with seasonal influenza vaccine."
FIND MORE STORIES IN: World Health Organization | swine flu | Centers for Disease Control and Prevention | Vanderbilt University | Sanofi Pasteur | MedImmune | CSL Limited
William Schaffner, a flu expert at Vanderbilt University, agreed. "Many of us are anticipating a double barrel flu season this year - an outbreak of H1N1 and other strains of conventional," he says. "Whether they are at different times or overlap, there is no way to tell."
He noted that it would be a challenge for parallel campaigns of vaccination against influenza, especially if the pandemic vaccine, which is still under development requires two doses.
The vaccine contains a season A/Brisbane/59/2007 (H1N1)-like virus, an A/Brisbane/10/2007 (H3N2)-like virus and a virus B/Brisbane/60/2008-like.
Doctors fear that the movement of several influenza viruses can do to an influenza season, especially unpredictable. That's because flu viruses are among the changing nature of most organisms, genes and the continuous exchange of collecting new features.
The CDC recommends flu vaccine for children and young people from 6 months to 19 years of age, pregnant women, people older than 50 years, people with chronic diseases, persons with long-term care, and those who live with or care the people most susceptible to influenza and its complications.
The vaccine makers are CSL Limited, GlaxoSmithKline Biologicals, ID Biomedical Corporation, Novartis Vaccines and Diagnostics Limited, Sanofi Pasteur Inc. and MedImmune Vaccines Inc.
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