BMJ 2002;325:221 ( 27 July )

Letters

Adults still account for many deaths from chickenpox

The first 150 words of the full text of this article appear below.

EDITOR---It was good to learn from Brisson et al's letter that the trend of an increasing number of deaths from chickenpox has reversed in the three years since colleagues and I completed our survey. 1 2 However, Brisson et al disagree with our claim that deaths in adults are rising and state that this is misleading.1

Our conclusion that adult deaths had risen was based on statistics covering a period of 31 years (1967-97). Among certified deaths from chickenpox adults accounted for 48% in 1967-77 (88 deaths in 11 years), 64% in 1978-85 (120 deaths in eight years),3 and 81% in 1986-97 (269 deaths in 12 years).

The contention that our data are misleading on the basis of three further years of data compared with our span of 31 years clearly needs to be placed in context. Moreover, there is a precedent for periods of lower mortality, as discussed below for the period 1989-91. The main body of our . . . [Full text of this article]


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