Dourado I, Rios MH, Pereira SMM, Cunha SS, Ichihara MY, Goes JCL, Rodrigues LC, Bierrenbach AL, Barreto ML. Rates of adverse reactions to first and second doses of BCG vaccination: results of a large community trial in Brazilian schoolchildren.
Int J Tuberc Lung Dis 2003;
7:399-402. [PMID:
12729348]
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Abstract
OBJECTIVE
To evaluate the incidence of adverse reactions to first and second bacille Calmette-Guérin (BCG) vaccination in schoolchildren.
SETTING AND DESIGN
Enhanced surveillance in a Brazilian trial. Suspected reactions were reported to a nurse who visited cases and completed a standard form.
RESULTS
Among 71341 schoolchildren studied, 33 reactions were reported. Of these, 25 fulfilled the criteria, resulting in a rate of one per 2854 vaccinations, with no deaths or BCG-osis. Reactions to second doses were more common than to first BCG vaccinations, but this difference was not statistically significant.
CONCLUSIONS
Adverse reactions to a second dose of BCG may be more frequent than reactions to a first dose, but they are still rare events.
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