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Previous Volume 344:1946-1948 June 21, 2001 Number 25 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Reichert et al. (March 22 issue)¹ compare excess mortality in Japan and the United States from 1949 through 1998. They conclude that vaccination of schoolchildren against influenza, the only independent variable assessed, reduced mortality from influenza among older persons in Japan from about 1970 through 1990. However, the authors compare populations with completely different economic and demographic characteristics. This approach most likely confounded the results. In addition, older persons living in multigenerational families also have contact with unvaccinated adults.

In the United States, the proportion of persons 65 years of age or older rose slowly from 8 . . . [Full Text of this Article]

References

This article has been cited by other articles:

• Teo, S S S, Nguyen-Van-Tam, J S, Booy, R (2005). Influenza burden of illness, diagnosis, treatment, and prevention: what is the evidence in children and where are the gaps?. Arch. Dis. Child. 90: 532-536 [Abstract] [Full Text]