From September 2007 to April 2008, the CDC reported a total of 72 deaths from flu among children with many more hospitalized.
In June 2006, the Centers for Disease Control and Prevention (CDC) recommended for the first time that all children 6 months of age or older receive annual flu shots.
Belshe said that, for children over two, the nasal flu vaccine should be used instead of an injection. "It is recommended for children and adults, aged 2 to 49 who do not have asthma or recurrent wheezing that's about 80 percent of children," he said.
The less than perfect match between the strain of flu in the vaccine during the two seasons studied and the flu that was actually circulating may have contributed substantially to the poor effectiveness of the vaccine, Szilagyi's team speculated.
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In the study, a team led by Dr. Peter G.
Louis University Medical Center, who was not involved in the study.
Given the poor match between the flu vaccine and circulating strains during the last two years, "this finding is not surprising," said Dr. Robert Belshe, a professor of medicine and pediatrics and director of the Center for Vaccine Development at the Saint Nike Zoom Unit Pop
In 2003 to 2004, 99 percent of circulating flu was influenza A, but only 11 percent of the influenza A strain in the United States was similar to the strains included in the vaccine.
The new report was published in the October issue of the Archives of Pediatrics Adolescent Nike Metcon Gamma Medicine.
In contrast, the live attenuated vaccine given as a nasal spray is far more effective, Belshe contended. "A recent study showed that it is 50 percent more effective at protecting against flu, including these drifted viruses that don't match," he said. children, so the flu shot may still be important.
Oct. 6 (HealthDay News) Over the past two flu seasons, vaccinating children five and younger did not reduce the number of child hospitalizations or doctor's visits linked to influenza, according to results of a new study.
"We know that the inactivated vaccine the flu shot doesn't work real well in children, particularly when the virus has evolved and drifted away from the type that is put in the vaccine," he said.
Szilagyi's group found that children who got the flu were less likely to have been vaccinated, compared with children who didn't get sick.
For younger children, "you're stuck with a flu shot no pun intended," Belshe said. "The flu shots should still be used. It probably modifies the severity of the illness, even though it doesn't protect completely against the illness itself it is important to take," he said.
Flu Shot Largely Ineffective Over Past Few Years
However, after they adjusted for flu risk factors such as a child's location, sex, insurance status, chronic health conditions or timing of the vaccine the effectiveness of the vaccine could no longer be shown. The effectiveness of the flu shot ranged from 7 percent to 52 percent for 6 to 59 month old children who had been fully vaccinated, the Nike Metcon Wheat
Dr. William Schaffner, department chairman of the division of infectious disease and professor of preventive medicine at Vanderbilt University, noted that to be fully protected, young children need two doses of flu vaccine, which many don't get.
Among these children, 245 were seen in hospitals or emergency departments, and 169 were cared for in a doctor's office or clinic. The researchers compared the vaccination status of these children with more than 5,000 children from the same area who did not get the flu.
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