Matching the flu vaccine with the exact strain of influenza that is hitting the United States in a particular year is difficult -- and it's amazing how accurate the process usually is. But this year there is a fear the matching isn't entirely accurate, meaning there could be an outbreak of flu even among those who were vaccinated. "It's scary," Dr. Whelan noted. "Especially when we're talking about 30,000 deaths from the flu each year."
Matching the flu vaccine with the exact strain of influenza that is hitting the United States in a particular year is difficult -- and it's amazing how accurate the process usually is. But this year there is a fear the matching isn't entirely accurate, meaning there could be an outbreak of flu even among those who were vaccinated. "It's scary," Dr. Whelan noted. "Especially when we're talking about 30,000 deaths from the flu each year."
Dr. Ross added, however, that even a poorly-matched vaccine is far better than no vaccination at all in terms of reducing the risk of severe flu.