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Comparative Study
. 1988 Aug;142(8):843-6.
doi: 10.1001/archpedi.1988.02150080049020.

The natural history of acquired cytomegalovirus infection among children in group day care

J R Murph  1 , J F Bale Jr
Affiliations
Comparative Study

The natural history of acquired cytomegalovirus infection among children in group day care

J R Murph et al. Am J Dis Child. 1988 Aug.

Abstract

We studied the natural history of cytomegalovirus (CMV) excretion among 79 children in a single day-care center over a 2 1/2-year period. During the study interval, 28 children (35%) excreted CMV in their urine, or saliva, or both. The CMV acquisition rate among children who were initially culture negative was 12.6% per year. In such children, CMV excretion began 11 to 59 months after entry into day care. The duration of CMV excretion varied from 3.0 to 28.4 months, with a mean of 13.0 +/- 9.1 months for urine and 7.0 +/- 2.7 months for saliva. The quantity of CMV in saliva or urine was highest during the first three months of excretion, as high as 10(5) 50% tissue culture infectious dose per milliliter. Children excreting CMV entered day care at a younger age (mean, 5.3 +/- 8.5 months for excretors vs 12.7 +/- 14.8 months for nonexcretors) and spent more hours in day care per week than the nonexcretors (mean, 41.8 +/- 9.0 h/wk for excretors vs 36.1 +/- 10.9 h/wk for nonexcretors).

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