By Miriam Falco, CNN Medical News Managing Editor
(CNN) - One of the five manufacturers supplying H1N1 vaccine to the United States is recalling hundreds of thousands of flu shots because they aren't as potent as they should be.
The French manufacturer Sanofi Pasteur is voluntarily recalling about 800,000 doses of vaccine meant for children between the ages of 6 months and 35 months.
The company and the Centers for Disease Control and Prevention emphasized that the recall was not prompted by safety concerns, and that even though the vaccine isn't quite as potent as it's supposed to be, children who received it don't have to be immunized again against H1N1.
The CDC emphasized that there is no danger for any child who received this type of vaccine.
When asked what parents should do, CDC spokesman Tom Skinner said, "absolutely nothing." He said if children receive this vaccine, they will be fine. Full story »
during the height of the H1N1 or Swine Flu epidemic, i was very afraid to get infected with this disease and i wore face mask whenever i got into heavily populated areas.
If you look at the pandemic of 1977, when H1N1 or Swine Flu re-emerged after a 20 year absence, there is no shift in age-related mortality pattern. The 1977 “pandemic” is, of course, not considered a true pandemic by experts today, for reasons that are not entierely consistent. It certainly was an antigenic shift and not an antigenic drift. As far as I have been able to follow the current events, the most significant factor seems to have been that most people, who were severely affected, were people with other medical conditions.