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Immunization - a Risk Factor for Asthma/Allergy?
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Published: 16 years ago

Immunization - a Risk Factor for Asthma/Allergy?

"Is Infant Immunization a Risk Factor for Childhood Asthma or

Epidemiology (11/97) Vol. 8, No. 6, P. 678; Kemp, Trudi; Pearce,
Neil; Fitzharris, Penny; et al.

Results of the Christchurch Health and Development Study,
conducted by a team of New Zealand researchers, found a greater
rate of asthma and allergy episodes among immunized children.
Of 1,265 children born in 1977, the 23 who did not receive the
diphtheria/pertussis/tetanus shot had no recorded asthma or
allergy problems before age 10. Of the children who were
vaccinated, 23.1 percent had asthma episodes, 22.5 percent had
asthma consultations, and 30 percent had consultations for other
allergic illnesses. The comparison produced similar results at
ages five and 16, and the discrepancy does not appear to result
from use of health services, ethnicity, socioeconomic status, or
parental atopy or smoking. The authors note the study is limited
by the small size of the non-immunized group, and although it
does not appear to be the case, they cannot exclude the
possibility the results are due to differences in healthcare


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