In principle, it would be possible to
investigate the contribution of each vaccine separately, 3
We use data on household characteristics taken during the initial study of the children at
baseline. children's height and weight was measured in the 1994 follow-up survey. We construct
BMI as weight divided by height squared. Data on test scores comes from tests administered as
part of the 1994 follow up survey of the children. We use data on three tests. The first was a
Philippines Non-Verbal Intelligence Test. In this test children were shown pictures of five
culturally appropriate items of which four were similar in type, and one differed, and they were
asked to identify which of the five was different. One hundred questions of this type were asked.
but it seems unlikely that a vaccine
policy providing some, but not all, of these basic six would ever be considered given their known
health benefits– indeed the current debate is about adding rotavirus and pneumococcal vaccines
to the basic six being provided (Glass et al. 2005, Levine et al. 2006)
In principle, it would be possible toinvestigate the contribution of each vaccine separately, 3We use data on household characteristics taken during the initial study of the children atbaseline. children's height and weight was measured in the 1994 follow-up survey. We constructBMI as weight divided by height squared. Data on test scores comes from tests administered aspart of the 1994 follow up survey of the children. We use data on three tests. The first was aPhilippines Non-Verbal Intelligence Test. In this test children were shown pictures of fiveculturally appropriate items of which four were similar in type, and one differed, and they wereasked to identify which of the five was different. One hundred questions of this type were asked.but it seems unlikely that a vaccinepolicy providing some, but not all, of these basic six would ever be considered given their knownhealth benefits– indeed the current debate is about adding rotavirus and pneumococcal vaccinesto the basic six being provided (Glass et al. 2005, Levine et al. 2006)
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